22212337457 has 2 divisors, whose sum is σ = 22212337458. Its totient is φ = 22212337456.

The previous prime is 22212337453. The next prime is 22212337481. The reversal of 22212337457 is 75473321222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16900260001 + 5312077456 = 130001^2 + 72884^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212337457 - 2² = 22212337453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22212337457.

It is not a weakly prime, because it can be changed into another prime (22212337451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106168728 + 11106168729.

It is an arithmetic number, because the mean of its divisors is an integer number (11106168729).

Almost surely, 2^22212337457 is an apocalyptic number.

It is an amenable number.

22212337457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212337457 is an equidigital number, since it uses as much as digits as its factorization.

22212337457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

Adding to 22212337457 its reverse (75473321222), we get a palindrome (97685658679).

The spelling of 22212337457 in words is "twenty-two billion, two hundred twelve million, three hundred thirty-seven thousand, four hundred fifty-seven".