22046454137 has 2 divisors, whose sum is σ = 22046454138. Its totient is φ = 22046454136.

The previous prime is 22046454041. The next prime is 22046454163. The reversal of 22046454137 is 73145464022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19556344336 + 2490109801 = 139844^2 + 49901^2 .

It is a cyclic number.

It is not a de Polignac number, because 22046454137 - 2⁸ = 22046453881 is a prime.

It is a super-2 number, since 2×22046454137² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22046454137.

It is not a weakly prime, because it can be changed into another prime (22046454187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11023227068 + 11023227069.

It is an arithmetic number, because the mean of its divisors is an integer number (11023227069).

Almost surely, 2^22046454137 is an apocalyptic number.

It is an amenable number.

22046454137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22046454137 is an equidigital number, since it uses as much as digits as its factorization.

22046454137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 22046454137 in words is "twenty-two billion, forty-six million, four hundred fifty-four thousand, one hundred thirty-seven".