22061260162957 has 2 divisors, whose sum is σ = 22061260162958. Its totient is φ = 22061260162956.

The previous prime is 22061260162913. The next prime is 22061260163051. The reversal of 22061260162957 is 75926106216022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21989525111401 + 71735051556 = 4689299^2 + 267834^2 .

It is a cyclic number.

It is not a de Polignac number, because 22061260162957 - 2¹¹ = 22061260160909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22061260162957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22061260162057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030630081478 + 11030630081479.

It is an arithmetic number, because the mean of its divisors is an integer number (11030630081479).

Almost surely, 2^{22061260162957} is an apocalyptic number.

It is an amenable number.

22061260162957 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061260162957 is an equidigital number, since it uses as much as digits as its factorization.

22061260162957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

Adding to 22061260162957 its reverse (75926106216022), we get a palindrome (97987366378979).

The spelling of 22061260162957 in words is "twenty-two trillion, sixty-one billion, two hundred sixty million, one hundred sixty-two thousand, nine hundred fifty-seven".