22866622537 has 4 divisors (see below), whose sum is σ = 24945406416. Its totient is φ = 20787838660.

The previous prime is 22866622487. The next prime is 22866622573. The reversal of 22866622537 is 73522666822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22866622537 - 2¹⁵ = 22866589769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22866620537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039391923 + ... + 1039391944.

It is an arithmetic number, because the mean of its divisors is an integer number (6236351604).

Almost surely, 2^22866622537 is an apocalyptic number.

It is an amenable number.

22866622537 is a deficient number, since it is larger than the sum of its proper divisors (2078783879).

22866622537 is a wasteful number, since it uses less digits than its factorization.

22866622537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078783878.

The product of its digits is 2903040, while the sum is 49.

The spelling of 22866622537 in words is "twenty-two billion, eight hundred sixty-six million, six hundred twenty-two thousand, five hundred thirty-seven".