22575019648 has 32 divisors (see below), whose sum is σ = 45386302500. Its totient is φ = 11183947776.

The previous prime is 22575019619. The next prime is 22575019657. The reversal of 22575019648 is 84691057522.

It can be written as a sum of positive squares in 2 ways, for example, as 21243645504 + 1331374144 = 145752^2 + 36488^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795073 + ... + 822976.

Almost surely, 2^22575019648 is an apocalyptic number.

It is an amenable number.

22575019648 is an abundant number, since it is smaller than the sum of its proper divisors (22811282852).

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

22575019648 is a wasteful number, since it uses less digits than its factorization.

22575019648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618172 (or 1618160 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 22575019648 in words is "twenty-two billion, five hundred seventy-five million, nineteen thousand, six hundred forty-eight".