22205156551 has 2 divisors, whose sum is σ = 22205156552. Its totient is φ = 22205156550.

The previous prime is 22205156513. The next prime is 22205156587. The reversal of 22205156551 is 15565150222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22205156551 - 2¹⁵ = 22205123783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22205156591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102578275 + 11102578276.

It is an arithmetic number, because the mean of its divisors is an integer number (11102578276).

Almost surely, 2^22205156551 is an apocalyptic number.

22205156551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22205156551 is an equidigital number, since it uses as much as digits as its factorization.

22205156551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 22205156551 in words is "twenty-two billion, two hundred five million, one hundred fifty-six thousand, five hundred fifty-one".