22544355344551 has 2 divisors, whose sum is σ = 22544355344552. Its totient is φ = 22544355344550.

The previous prime is 22544355344513. The next prime is 22544355344587. The reversal of 22544355344551 is 15544355344522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22544355344551 - 2²⁵ = 22544321790119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22544355344501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272177672275 + 11272177672276.

It is an arithmetic number, because the mean of its divisors is an integer number (11272177672276).

Almost surely, 2^{22544355344551} is an apocalyptic number.

22544355344551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22544355344551 is an equidigital number, since it uses as much as digits as its factorization.

22544355344551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800000, while the sum is 52.

The spelling of 22544355344551 in words is "twenty-two trillion, five hundred forty-four billion, three hundred fifty-five million, three hundred forty-four thousand, five hundred fifty-one".