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222112112202220 = 22523414743957971
BaseRepresentation
bin110010100000001010000001…
…100011000101000111101100
31002010102201011222211101022011
4302200022001203011013230
5213103041101210432340
62104220521250131004
764533033125003062
oct6240120143050754
91063381158741264
10222112112202220
1164854243984049
1220ab2994b80a64
1396c210baa4a76
143cbc3d825a032
151aa29a46730ea
hexca02818c51ec

222112112202220 has 24 divisors (see below), whose sum is σ = 466634681957808. Its totient is φ = 88806893198400.

The previous prime is 222112112202187. The next prime is 222112112202251. The reversal of 222112112202220 is 22202211211222.

It is a junction number, because it is equal to n+sod(n) for n = 222112112202191 and 222112112202200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371932166 + ... + 2372025805.

It is an arithmetic number, because the mean of its divisors is an integer number (19443111748242).

Almost surely, 2222112112202220 is an apocalyptic number.

222112112202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112112202220 is an abundant number, since it is smaller than the sum of its proper divisors (244522569755588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222112112202220 is a wasteful number, since it uses less digits than its factorization.

222112112202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743960321 (or 4743960319 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222112112202220 its reverse (22202211211222), we get a palindrome (244314323413442).

The spelling of 222112112202220 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twelve million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2341 4682 9364 11705 23410 46820 4743957971 9487915942 18975831884 23719789855 47439579710 94879159420 11105605610111 22211211220222 44422422440444 55528028050555 111056056101110 222112112202220