22002523040 has 48 divisors (see below), whose sum is σ = 52565050440. Its totient is φ = 8702115840.

The previous prime is 22002523033. The next prime is 22002523043. The reversal of 22002523040 is 4032520022.

It can be written as a sum of positive squares in 4 ways, for example, as 19859573776 + 2142949264 = 140924^2 + 46292^2 .

It is a super-2 number, since 2×22002523040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22002523043) 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, 758321 + ... + 786800.

Almost surely, 2^22002523040 is an apocalyptic number.

22002523040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002523040 is an abundant number, since it is smaller than the sum of its proper divisors (30562527400).

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

22002523040 is a wasteful number, since it uses less digits than its factorization.

22002523040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545225 (or 1545217 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The spelling of 22002523040 in words is "twenty-two billion, two million, five hundred twenty-three thousand, forty".