22250243459497 has 2 divisors, whose sum is σ = 22250243459498. Its totient is φ = 22250243459496.

The previous prime is 22250243459471. The next prime is 22250243459501. The reversal of 22250243459497 is 79495434205222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19514739167401 + 2735504292096 = 4417549^2 + 1653936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22250243459497 is a prime.

It is not a weakly prime, because it can be changed into another prime (22250243459417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11125121729748 + 11125121729749.

It is an arithmetic number, because the mean of its divisors is an integer number (11125121729749).

Almost surely, 2^{22250243459497} is an apocalyptic number.

It is an amenable number.

22250243459497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22250243459497 is an equidigital number, since it uses as much as digits as its factorization.

22250243459497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 22250243459497 in words is "twenty-two trillion, two hundred fifty billion, two hundred forty-three million, four hundred fifty-nine thousand, four hundred ninety-seven".