22727525049 has 80 divisors (see below), whose sum is σ = 36227423232. Its totient is φ = 14169352032.

The previous prime is 22727525027. The next prime is 22727525053. The reversal of 22727525049 is 94052572722.

22727525049 is a `hidden beast` number, since 2 + 2 + 72 + 75 + 2 + 504 + 9 = 666.

It is not a de Polignac number, because 22727525049 - 2¹⁷ = 22727393977 is a prime.

It is a super-4 number, since 4×22727525049⁴ (a number of 43 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22727524995 and 22727525013.

It is not an unprimeable number, because it can be changed into a prime (22727524049) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15926074 + ... + 15927500.

Almost surely, 2^22727525049 is an apocalyptic number.

It is an amenable number.

22727525049 is a deficient number, since it is larger than the sum of its proper divisors (13499898183).

22727525049 is a wasteful number, since it uses less digits than its factorization.

22727525049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 22727525049 in words is "twenty-two billion, seven hundred twenty-seven million, five hundred twenty-five thousand, forty-nine".