22756438232 has 64 divisors (see below), whose sum is σ = 47114676000. Its totient is φ = 10218147840.

The previous prime is 22756438223. The next prime is 22756438241. The reversal of 22756438232 is 23283465722.

It is an interprime number because it is at equal distance from previous prime (22756438223) and next prime (22756438241).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5230394 + ... + 5234742.

Almost surely, 2^22756438232 is an apocalyptic number.

22756438232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22756438232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23557338000).

22756438232 is an abundant number, since it is smaller than the sum of its proper divisors (24358237768).

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

22756438232 is a wasteful number, since it uses less digits than its factorization.

22756438232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076 (or 5072 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The spelling of 22756438232 in words is "twenty-two billion, seven hundred fifty-six million, four hundred thirty-eight thousand, two hundred thirty-two".