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222221132202231 = 32164331502539823
BaseRepresentation
bin110010100001101111100011…
…101001011000000011110111
31002010211010120210012012102100
4302201233203221120003313
5213111332334320432411
62104342551231113143
764543642546501521
oct6241574351300367
91063733523165370
10222221132202231
11648964a8920708
1220b0bb3b6727b3
1396cc494247c06
143cc37bb21aa11
151aa57356da456
hexca1be3a580f7

222221132202231 has 12 divisors (see below), whose sum is σ = 321005613079008. Its totient is φ = 148138406130624.

The previous prime is 222221132202227. The next prime is 222221132202233. The reversal of 222221132202231 is 132202231122222.

222221132202231 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 211 + 3 + 220 + 223 + 1 = 666.

It is not a de Polignac number, because 222221132202231 - 22 = 222221132202227 is a prime.

It is a super-2 number, since 2×2222211322022312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222221132202195 and 222221132202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221132202233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751122015 + ... + 751417808.

It is an arithmetic number, because the mean of its divisors is an integer number (26750467756584).

Almost surely, 2222221132202231 is an apocalyptic number.

222221132202231 is a deficient number, since it is larger than the sum of its proper divisors (98784480876777).

222221132202231 is a wasteful number, since it uses less digits than its factorization.

222221132202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502556262 (or 1502556259 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 222221132202231 its reverse (132202231122222), we get a palindrome (354423363324453).

The spelling of 222221132202231 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred thirty-two million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 3 9 16433 49299 147897 1502539823 4507619469 13522858407 24691236911359 74073710734077 222221132202231