22566640234 has 16 divisors (see below), whose sum is σ = 34532251848. Its totient is φ = 11057859072.

The previous prime is 22566640231. The next prime is 22566640249. The reversal of 22566640234 is 43204666522.

It can be written as a sum of positive squares in 4 ways, for example, as 17425320025 + 5141320209 = 132005^2 + 71703^2 .

It is not an unprimeable number, because it can be changed into a prime (22566640231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469327 + ... + 515170.

Almost surely, 2^22566640234 is an apocalyptic number.

22566640234 is a deficient number, since it is larger than the sum of its proper divisors (11965611614).

22566640234 is a wasteful number, since it uses less digits than its factorization.

22566640234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984729.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 22566640234 in words is "twenty-two billion, five hundred sixty-six million, six hundred forty thousand, two hundred thirty-four".