22212025453957 has 2 divisors, whose sum is σ = 22212025453958. Its totient is φ = 22212025453956.

The previous prime is 22212025453931. The next prime is 22212025454063. The reversal of 22212025453957 is 75935452021222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18846026122401 + 3365999331556 = 4341201^2 + 1834666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212025453957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22212025453957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212025453757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106012726978 + 11106012726979.

It is an arithmetic number, because the mean of its divisors is an integer number (11106012726979).

Almost surely, 2^{22212025453957} is an apocalyptic number.

It is an amenable number.

22212025453957 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212025453957 is an equidigital number, since it uses as much as digits as its factorization.

22212025453957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 22212025453957 in words is "twenty-two trillion, two hundred twelve billion, twenty-five million, four hundred fifty-three thousand, nine hundred fifty-seven".