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2213322231 = 36112094657
BaseRepresentation
bin1000001111101100…
…1001110111110111
312201020202102022110
42003323021313313
514013102302411
61003343102103
7105563633331
oct20373116767
95636672273
102213322231
11a363a982a
125192a1933
13293717433
1416dd48451
15ce49e2a6
hex83ec9df7

2213322231 has 8 divisors (see below), whose sum is σ = 2999475184. Its totient is φ = 1451358720.

The previous prime is 2213322211. The next prime is 2213322233. The reversal of 2213322231 is 1322233122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2213322231 - 210 = 2213321207 is a prime.

It is a super-2 number, since 2×22133222312 = 9797590596477634722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213322198 and 2213322207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213322233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6047146 + ... + 6047511.

It is an arithmetic number, because the mean of its divisors is an integer number (374934398).

Almost surely, 22213322231 is an apocalyptic number.

2213322231 is a deficient number, since it is larger than the sum of its proper divisors (786152953).

2213322231 is a wasteful number, since it uses less digits than its factorization.

2213322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12094721.

The product of its digits is 864, while the sum is 21.

The square root of 2213322231 is about 47045.9587106055. The cubic root of 2213322231 is about 1303.2114350985.

Adding to 2213322231 its reverse (1322233122), we get a palindrome (3535555353).

The spelling of 2213322231 in words is "two billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 3 61 183 12094657 36283971 737774077 2213322231