22756052438 has 16 divisors (see below), whose sum is σ = 39014576640. Its totient is φ = 9751543656.

The previous prime is 22756052437. The next prime is 22756052443. The reversal of 22756052438 is 83425065722.

It is a happy number.

It is a super-2 number, since 2×22756052438² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22756052437) 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, 55145 + ... + 220347.

It is an arithmetic number, because the mean of its divisors is an integer number (2438411040).

Almost surely, 2^22756052438 is an apocalyptic number.

22756052438 is a deficient number, since it is larger than the sum of its proper divisors (16258524202).

22756052438 is a wasteful number, since it uses less digits than its factorization.

22756052438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175051.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 22756052438 in words is "twenty-two billion, seven hundred fifty-six million, fifty-two thousand, four hundred thirty-eight".