22493864724 has 24 divisors (see below), whose sum is σ = 52489052448. Its totient is φ = 7497473760.

The previous prime is 22493864713. The next prime is 22493864747. The reversal of 22493864724 is 42746839422.

It is a super-2 number, since 2×22493864724² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169819 + ... + 271709.

It is an arithmetic number, because the mean of its divisors is an integer number (2187043852).

Almost surely, 2^22493864724 is an apocalyptic number.

It is an amenable number.

22493864724 is an abundant number, since it is smaller than the sum of its proper divisors (29995187724).

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

22493864724 is a wasteful number, since it uses less digits than its factorization.

22493864724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120295 (or 120293 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 22493864724 in words is "twenty-two billion, four hundred ninety-three million, eight hundred sixty-four thousand, seven hundred twenty-four".