22201738957 has 2 divisors, whose sum is σ = 22201738958. Its totient is φ = 22201738956.

The previous prime is 22201738939. The next prime is 22201738969. The reversal of 22201738957 is 75983710222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11272918276 + 10928820681 = 106174^2 + 104541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201738957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201738157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100869478 + 11100869479.

It is an arithmetic number, because the mean of its divisors is an integer number (11100869479).

Almost surely, 2^22201738957 is an apocalyptic number.

It is an amenable number.

22201738957 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201738957 is an equidigital number, since it uses as much as digits as its factorization.

22201738957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 22201738957 in words is "twenty-two billion, two hundred one million, seven hundred thirty-eight thousand, nine hundred fifty-seven".