22206635551 has 16 divisors (see below), whose sum is σ = 22807569600. Its totient is φ = 21614681088.

The previous prime is 22206635533. The next prime is 22206635593. The reversal of 22206635551 is 15553660222.

It is a cyclic number.

It is not a de Polignac number, because 22206635551 - 2¹⁵ = 22206602783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22206635551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22206635531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3693790 + ... + 3699796.

It is an arithmetic number, because the mean of its divisors is an integer number (1425473100).

Almost surely, 2^22206635551 is an apocalyptic number.

22206635551 is a deficient number, since it is larger than the sum of its proper divisors (600934049).

22206635551 is an equidigital number, since it uses as much as digits as its factorization.

22206635551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 22206635551 in words is "twenty-two billion, two hundred six million, six hundred thirty-five thousand, five hundred fifty-one".