22547268136 has 8 divisors (see below), whose sum is σ = 42276127770. Its totient is φ = 11273634064.

The previous prime is 22547268131. The next prime is 22547268143. The reversal of 22547268136 is 63186274522.

It can be written as a sum of positive squares in only one way, i.e., 14979312100 + 7567956036 = 122390^2 + 86994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22547268131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409204251 + ... + 1409204266.

Almost surely, 2^22547268136 is an apocalyptic number.

It is an amenable number.

22547268136 is a deficient number, since it is larger than the sum of its proper divisors (19728859634).

22547268136 is a wasteful number, since it uses less digits than its factorization.

22547268136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818408523 (or 2818408519 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 22547268136 in words is "twenty-two billion, five hundred forty-seven million, two hundred sixty-eight thousand, one hundred thirty-six".