22570440456 has 64 divisors (see below), whose sum is σ = 59881852800. Its totient is φ = 7064736768.

The previous prime is 22570440433. The next prime is 22570440457. The reversal of 22570440456 is 65404407522.

It is not an unprimeable number, because it can be changed into a prime (22570440457) 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, 116106 + ... + 242118.

It is an arithmetic number, because the mean of its divisors is an integer number (935653950).

Almost surely, 2^22570440456 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 22570440456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29940926400).

22570440456 is an abundant number, since it is smaller than the sum of its proper divisors (37311412344).

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

22570440456 is a wasteful number, since it uses less digits than its factorization.

22570440456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126478 (or 126474 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

Adding to 22570440456 its reverse (65404407522), we get a palindrome (87974847978).

The spelling of 22570440456 in words is "twenty-two billion, five hundred seventy million, four hundred forty thousand, four hundred fifty-six".