22332533522440 has 16 divisors (see below), whose sum is σ = 50248200425580. Its totient is φ = 8933013408960.

The previous prime is 22332533522437. The next prime is 22332533522443. The reversal of 22332533522440 is 4422533523322.

It is an interprime number because it is at equal distance from previous prime (22332533522437) and next prime (22332533522443).

It can be written as a sum of positive squares in 2 ways, for example, as 22296396272836 + 36137249604 = 4721906^2 + 190098^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 558313338061 = 22332533522440 / (2 + 2 + 3 + 3 + 2 + 5 + 3 + 3 + 5 + 2 + 2 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22332533522393 and 22332533522402.

It is not an unprimeable number, because it can be changed into a prime (22332533522443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279156668991 + ... + 279156669070.

Almost surely, 2^{22332533522440} is an apocalyptic number.

22332533522440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22332533522440 is an abundant number, since it is smaller than the sum of its proper divisors (27915666903140).

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

22332533522440 is a wasteful number, since it uses less digits than its factorization.

22332533522440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558313338072 (or 558313338068 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 40.

The spelling of 22332533522440 in words is "twenty-two trillion, three hundred thirty-two billion, five hundred thirty-three million, five hundred twenty-two thousand, four hundred forty".