22235140524 has 24 divisors (see below), whose sum is σ = 51906888880. Its totient is φ = 7408157184.

The previous prime is 22235140493. The next prime is 22235140567. The reversal of 22235140524 is 42504153222.

It is a junction number, because it is equal to n+sod(n) for n = 22235140491 and 22235140500.

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, 418429 + ... + 468564.

Almost surely, 2^22235140524 is an apocalyptic number.

It is an amenable number.

22235140524 is an abundant number, since it is smaller than the sum of its proper divisors (29671748356).

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

22235140524 is a wasteful number, since it uses less digits than its factorization.

22235140524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889089 (or 889087 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22235140524 its reverse (42504153222), we get a palindrome (64739293746).

The spelling of 22235140524 in words is "twenty-two billion, two hundred thirty-five million, one hundred forty thousand, five hundred twenty-four".