404022322157 has 2 divisors, whose sum is σ = 404022322158. Its totient is φ = 404022322156.

The previous prime is 404022322153. The next prime is 404022322169. The reversal of 404022322157 is 751223220404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307463596036 + 96558726121 = 554494^2 + 310739^2 .

It is a cyclic number.

It is not a de Polignac number, because 404022322157 - 2² = 404022322153 is a prime.

It is a super-2 number, since 2×404022322157² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404022322153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202011161078 + 202011161079.

It is an arithmetic number, because the mean of its divisors is an integer number (202011161079).

Almost surely, 2^404022322157 is an apocalyptic number.

It is an amenable number.

404022322157 is a deficient number, since it is larger than the sum of its proper divisors (1).

404022322157 is an equidigital number, since it uses as much as digits as its factorization.

404022322157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 404022322157 in words is "four hundred four billion, twenty-two million, three hundred twenty-two thousand, one hundred fifty-seven".