22402546157 has 2 divisors, whose sum is σ = 22402546158. Its totient is φ = 22402546156.

The previous prime is 22402546123. The next prime is 22402546169. The reversal of 22402546157 is 75164520422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21087105796 + 1315440361 = 145214^2 + 36269^2 .

It is a cyclic number.

It is not a de Polignac number, because 22402546157 - 2²⁰ = 22401497581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22402546157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22402546057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11201273078 + 11201273079.

It is an arithmetic number, because the mean of its divisors is an integer number (11201273079).

Almost surely, 2^22402546157 is an apocalyptic number.

It is an amenable number.

22402546157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22402546157 is an equidigital number, since it uses as much as digits as its factorization.

22402546157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 22402546157 in words is "twenty-two billion, four hundred two million, five hundred forty-six thousand, one hundred fifty-seven".