402222431057 has 2 divisors, whose sum is σ = 402222431058. Its totient is φ = 402222431056.

The previous prime is 402222430997. The next prime is 402222431099. The reversal of 402222431057 is 750134222204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240679529281 + 161542901776 = 490591^2 + 401924^2 .

It is a cyclic number.

It is not a de Polignac number, because 402222431057 - 2⁶ = 402222430993 is a prime.

It is not a weakly prime, because it can be changed into another prime (402222401057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201111215528 + 201111215529.

It is an arithmetic number, because the mean of its divisors is an integer number (201111215529).

Almost surely, 2^402222431057 is an apocalyptic number.

It is an amenable number.

402222431057 is a deficient number, since it is larger than the sum of its proper divisors (1).

402222431057 is an equidigital number, since it uses as much as digits as its factorization.

402222431057 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 402222431057 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirty-one thousand, fifty-seven".