22513287834 has 48 divisors (see below), whose sum is σ = 51377676480. Its totient is φ = 7105086720.

The previous prime is 22513287827. The next prime is 22513287851. The reversal of 22513287834 is 43878231522.

22513287834 is a `hidden beast` number, since 2 + 251 + 328 + 78 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22513287834.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560979 + ... + 599769.

It is an arithmetic number, because the mean of its divisors is an integer number (1070368260).

Almost surely, 2^22513287834 is an apocalyptic number.

22513287834 is an abundant number, since it is smaller than the sum of its proper divisors (28864388646).

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

22513287834 is a wasteful number, since it uses less digits than its factorization.

22513287834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40515 (or 40512 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 22513287834 in words is "twenty-two billion, five hundred thirteen million, two hundred eighty-seven thousand, eight hundred thirty-four".