22300253257 has 2 divisors, whose sum is σ = 22300253258. Its totient is φ = 22300253256.

The previous prime is 22300253249. The next prime is 22300253309. The reversal of 22300253257 is 75235200322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15490042681 + 6810210576 = 124459^2 + 82524^2 .

It is a cyclic number.

It is not a de Polignac number, because 22300253257 - 2³ = 22300253249 is a prime.

It is not a weakly prime, because it can be changed into another prime (22300254257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150126628 + 11150126629.

It is an arithmetic number, because the mean of its divisors is an integer number (11150126629).

Almost surely, 2^22300253257 is an apocalyptic number.

It is an amenable number.

22300253257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22300253257 is an equidigital number, since it uses as much as digits as its factorization.

22300253257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

Adding to 22300253257 its reverse (75235200322), we get a palindrome (97535453579).

The spelling of 22300253257 in words is "twenty-two billion, three hundred million, two hundred fifty-three thousand, two hundred fifty-seven".