22146454037 has 2 divisors, whose sum is σ = 22146454038. Its totient is φ = 22146454036.

The previous prime is 22146453991. The next prime is 22146454039. The reversal of 22146454037 is 73045464122.

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., 17320928881 + 4825525156 = 131609^2 + 69466^2 .

It is a cyclic number.

It is not a de Polignac number, because 22146454037 - 2⁸ = 22146453781 is a prime.

Together with 22146454039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22146454039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11073227018 + 11073227019.

It is an arithmetic number, because the mean of its divisors is an integer number (11073227019).

Almost surely, 2^22146454037 is an apocalyptic number.

It is an amenable number.

22146454037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22146454037 is an equidigital number, since it uses as much as digits as its factorization.

22146454037 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 22146454037 in words is "twenty-two billion, one hundred forty-six million, four hundred fifty-four thousand, thirty-seven".