22457471572 has 12 divisors (see below), whose sum is σ = 41369026720. Its totient is φ = 10637749656.

The previous prime is 22457471551. The next prime is 22457471573. The reversal of 22457471572 is 27517475422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22457471573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147746448 + ... + 147746599.

Almost surely, 2^22457471572 is an apocalyptic number.

It is an amenable number.

22457471572 is a deficient number, since it is larger than the sum of its proper divisors (18911555148).

22457471572 is a wasteful number, since it uses less digits than its factorization.

22457471572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295493070 (or 295493068 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 46.

The spelling of 22457471572 in words is "twenty-two billion, four hundred fifty-seven million, four hundred seventy-one thousand, five hundred seventy-two".