22530245311256 has 16 divisors (see below), whose sum is σ = 42388388154000. Its totient is φ = 11226675136864.

The previous prime is 22530245311237. The next prime is 22530245311303. The reversal of 22530245311256 is 65211354203522.

It is a super-2 number, since 2×22530245311256² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4805937356 + ... + 4805942043.

It is an arithmetic number, because the mean of its divisors is an integer number (2649274259625).

Almost surely, 2^{22530245311256} is an apocalyptic number.

It is an amenable number.

22530245311256 is a deficient number, since it is larger than the sum of its proper divisors (19858142842744).

22530245311256 is a wasteful number, since it uses less digits than its factorization.

22530245311256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9611879698 (or 9611879694 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 22530245311256 its reverse (65211354203522), we get a palindrome (87741599514778).

The spelling of 22530245311256 in words is "twenty-two trillion, five hundred thirty billion, two hundred forty-five million, three hundred eleven thousand, two hundred fifty-six".