22857477489 has 48 divisors (see below), whose sum is σ = 43329761280. Its totient is φ = 11249059680.

The previous prime is 22857477469. The next prime is 22857477521. The reversal of 22857477489 is 98477475822.

22857477489 is a `hidden beast` number, since 2 + 2 + 85 + 7 + 4 + 77 + 489 = 666.

It is not a de Polignac number, because 22857477489 - 2²⁷ = 22723259761 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (22857477469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 854817 + ... + 881150.

It is an arithmetic number, because the mean of its divisors is an integer number (902703360).

Almost surely, 2^22857477489 is an apocalyptic number.

It is an amenable number.

22857477489 is a deficient number, since it is larger than the sum of its proper divisors (20472283791).

22857477489 is a wasteful number, since it uses less digits than its factorization.

22857477489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736010 (or 1736007 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 63.

The spelling of 22857477489 in words is "twenty-two billion, eight hundred fifty-seven million, four hundred seventy-seven thousand, four hundred eighty-nine".