22642225911 has 12 divisors (see below), whose sum is σ = 32758798488. Its totient is φ = 15070189104.

The previous prime is 22642225909. The next prime is 22642225927. The reversal of 22642225911 is 11952224622.

22642225911 is a `hidden beast` number, since 2 + 2 + 6 + 42 + 22 + 591 + 1 = 666.

It is not a de Polignac number, because 22642225911 - 2¹ = 22642225909 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22642225511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2046525 + ... + 2057558.

It is an arithmetic number, because the mean of its divisors is an integer number (2729899874).

Almost surely, 2^22642225911 is an apocalyptic number.

22642225911 is a deficient number, since it is larger than the sum of its proper divisors (10116572577).

22642225911 is a wasteful number, since it uses less digits than its factorization.

22642225911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104702 (or 4104699 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 22642225911 in words is "twenty-two billion, six hundred forty-two million, two hundred twenty-five thousand, nine hundred eleven".