22066452036 has 18 divisors (see below), whose sum is σ = 55779087182. Its totient is φ = 7355484000.

The previous prime is 22066451993. The next prime is 22066452053. The reversal of 22066452036 is 63025466022.

22066452036 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 645 + 2 + 0 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17242316100 + 4824135936 = 131310^2 + 69456^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 612957001 = 22066452036 / (2 + 2 + 0 + 6 + 6 + 4 + 5 + 2 + 0 + 3 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306478465 + ... + 306478536.

Almost surely, 2^22066452036 is an apocalyptic number.

It is an amenable number.

22066452036 is an abundant number, since it is smaller than the sum of its proper divisors (33712635146).

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

22066452036 is a wasteful number, since it uses less digits than its factorization.

22066452036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612957011 (or 612957006 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 22066452036 in words is "twenty-two billion, sixty-six million, four hundred fifty-two thousand, thirty-six".