422104157 has 2 divisors, whose sum is σ = 422104158. Its totient is φ = 422104156.

The previous prime is 422104121. The next prime is 422104181. The reversal of 422104157 is 751401224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392792761 + 29311396 = 19819^2 + 5414^2 .

It is a cyclic number.

It is not a de Polignac number, because 422104157 - 2⁶ = 422104093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422104117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211052078 + 211052079.

It is an arithmetic number, because the mean of its divisors is an integer number (211052079).

Almost surely, 2^422104157 is an apocalyptic number.

It is an amenable number.

422104157 is a deficient number, since it is larger than the sum of its proper divisors (1).

422104157 is an equidigital number, since it uses as much as digits as its factorization.

422104157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 422104157 is about 20545.1735694786. The cubic root of 422104157 is about 750.1357721605.

The spelling of 422104157 in words is "four hundred twenty-two million, one hundred four thousand, one hundred fifty-seven".