22250817257 has 2 divisors, whose sum is σ = 22250817258. Its totient is φ = 22250817256.

The previous prime is 22250817247. The next prime is 22250817271. The reversal of 22250817257 is 75271805222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22190273296 + 60543961 = 148964^2 + 7781^2 .

It is a cyclic number.

It is not a de Polignac number, because 22250817257 - 2¹⁰ = 22250816233 is a prime.

It is not a weakly prime, because it can be changed into another prime (22250817247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11125408628 + 11125408629.

It is an arithmetic number, because the mean of its divisors is an integer number (11125408629).

Almost surely, 2^22250817257 is an apocalyptic number.

It is an amenable number.

22250817257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22250817257 is an equidigital number, since it uses as much as digits as its factorization.

22250817257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 41.

The spelling of 22250817257 in words is "twenty-two billion, two hundred fifty million, eight hundred seventeen thousand, two hundred fifty-seven".