22445102553221 has 2 divisors, whose sum is σ = 22445102553222. Its totient is φ = 22445102553220.

The previous prime is 22445102553169. The next prime is 22445102553229. The reversal of 22445102553221 is 12235520154422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13329618450625 + 9115484102596 = 3650975^2 + 3019186^2 .

It is a cyclic number.

It is not a de Polignac number, because 22445102553221 - 2⁶ = 22445102553157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22445102553229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222551276610 + 11222551276611.

It is an arithmetic number, because the mean of its divisors is an integer number (11222551276611).

Almost surely, 2^{22445102553221} is an apocalyptic number.

It is an amenable number.

22445102553221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22445102553221 is an equidigital number, since it uses as much as digits as its factorization.

22445102553221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 22445102553221 in words is "twenty-two trillion, four hundred forty-five billion, one hundred two million, five hundred fifty-three thousand, two hundred twenty-one".