22582144852 has 6 divisors (see below), whose sum is σ = 39518753498. Its totient is φ = 11291072424.

The previous prime is 22582144847. The next prime is 22582144883. The reversal of 22582144852 is 25844128522.

It can be written as a sum of positive squares in only one way, i.e., 15895157776 + 6686987076 = 126076^2 + 81774^2 .

It is a super-2 number, since 2×22582144852² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22582144799 and 22582144808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822768103 + ... + 2822768110.

Almost surely, 2^22582144852 is an apocalyptic number.

It is an amenable number.

22582144852 is a deficient number, since it is larger than the sum of its proper divisors (16936608646).

22582144852 is a wasteful number, since it uses less digits than its factorization.

22582144852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645536217 (or 5645536215 counting only the distinct ones).

The product of its digits is 409600, while the sum is 43.

The spelling of 22582144852 in words is "twenty-two billion, five hundred eighty-two million, one hundred forty-four thousand, eight hundred fifty-two".