22100230457 has 2 divisors, whose sum is σ = 22100230458. Its totient is φ = 22100230456.

The previous prime is 22100230393. The next prime is 22100230489. The reversal of 22100230457 is 75403200122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13975731961 + 8124498496 = 118219^2 + 90136^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100230457 - 2⁶ = 22100230393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100233457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050115228 + 11050115229.

It is an arithmetic number, because the mean of its divisors is an integer number (11050115229).

Almost surely, 2^22100230457 is an apocalyptic number.

It is an amenable number.

22100230457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100230457 is an equidigital number, since it uses as much as digits as its factorization.

22100230457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 22100230457 its reverse (75403200122), we get a palindrome (97503430579).

The spelling of 22100230457 in words is "twenty-two billion, one hundred million, two hundred thirty thousand, four hundred fifty-seven".