22540312324 has 24 divisors (see below), whose sum is σ = 40516666848. Its totient is φ = 10968175680.

The previous prime is 22540312303. The next prime is 22540312349. The reversal of 22540312324 is 42321304522.

It is a junction number, because it is equal to n+sod(n) for n = 22540312292 and 22540312301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484417 + ... + 528904.

It is an arithmetic number, because the mean of its divisors is an integer number (1688194452).

Almost surely, 2^22540312324 is an apocalyptic number.

It is an amenable number.

22540312324 is a deficient number, since it is larger than the sum of its proper divisors (17976354524).

22540312324 is a wasteful number, since it uses less digits than its factorization.

22540312324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013475 (or 1013473 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22540312324 its reverse (42321304522), we get a palindrome (64861616846).

The spelling of 22540312324 in words is "twenty-two billion, five hundred forty million, three hundred twelve thousand, three hundred twenty-four".