22649254434 has 12 divisors (see below), whose sum is σ = 49073384646. Its totient is φ = 7549751472.

The previous prime is 22649254427. The next prime is 22649254447. The reversal of 22649254434 is 43445294622.

22649254434 is a `hidden beast` number, since 22 + 64 + 92 + 54 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15387658209 + 7261596225 = 124047^2 + 85215^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22649254434.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629145939 + ... + 629145974.

Almost surely, 2^22649254434 is an apocalyptic number.

22649254434 is an abundant number, since it is smaller than the sum of its proper divisors (26424130212).

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

22649254434 is a wasteful number, since it uses less digits than its factorization.

22649254434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258291921 (or 1258291918 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 22649254434 in words is "twenty-two billion, six hundred forty-nine million, two hundred fifty-four thousand, four hundred thirty-four".