22756163088 has 80 divisors (see below), whose sum is σ = 60480254016. Its totient is φ = 7368468480.

The previous prime is 22756163081. The next prime is 22756163099. The reversal of 22756163088 is 88036165722.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (22756163081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433731 + ... + 483357.

Almost surely, 2^22756163088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22756163088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30240127008).

22756163088 is an abundant number, since it is smaller than the sum of its proper divisors (37724090928).

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

22756163088 is a wasteful number, since it uses less digits than its factorization.

22756163088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49912 (or 49906 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 22756163088 in words is "twenty-two billion, seven hundred fifty-six million, one hundred sixty-three thousand, eighty-eight".