22025628217 has 2 divisors, whose sum is σ = 22025628218. Its totient is φ = 22025628216.

The previous prime is 22025628187. The next prime is 22025628323. The reversal of 22025628217 is 71282652022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11946271401 + 10079356816 = 109299^2 + 100396^2 .

It is a cyclic number.

It is not a de Polignac number, because 22025628217 - 2²³ = 22017239609 is a prime.

It is not a weakly prime, because it can be changed into another prime (22025628617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11012814108 + 11012814109.

It is an arithmetic number, because the mean of its divisors is an integer number (11012814109).

Almost surely, 2^22025628217 is an apocalyptic number.

It is an amenable number.

22025628217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22025628217 is an equidigital number, since it uses as much as digits as its factorization.

22025628217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 22025628217 in words is "twenty-two billion, twenty-five million, six hundred twenty-eight thousand, two hundred seventeen".