22554640267 has 2 divisors, whose sum is σ = 22554640268. Its totient is φ = 22554640266.

The previous prime is 22554640189. The next prime is 22554640309. The reversal of 22554640267 is 76204645522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22554640267 - 2¹⁵ = 22554607499 is a prime.

It is not a weakly prime, because it can be changed into another prime (22554140267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277320133 + 11277320134.

It is an arithmetic number, because the mean of its divisors is an integer number (11277320134).

Almost surely, 2^22554640267 is an apocalyptic number.

22554640267 is a deficient number, since it is larger than the sum of its proper divisors (1).

22554640267 is an equidigital number, since it uses as much as digits as its factorization.

22554640267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 22554640267 in words is "twenty-two billion, five hundred fifty-four million, six hundred forty thousand, two hundred sixty-seven".