402424202237 has 2 divisors, whose sum is σ = 402424202238. Its totient is φ = 402424202236.

The previous prime is 402424202221. The next prime is 402424202261. The reversal of 402424202237 is 732202424204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281423884036 + 121000318201 = 530494^2 + 347851^2 .

It is a cyclic number.

It is not a de Polignac number, because 402424202237 - 2⁴ = 402424202221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402424202837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201212101118 + 201212101119.

It is an arithmetic number, because the mean of its divisors is an integer number (201212101119).

Almost surely, 2^402424202237 is an apocalyptic number.

It is an amenable number.

402424202237 is a deficient number, since it is larger than the sum of its proper divisors (1).

402424202237 is an equidigital number, since it uses as much as digits as its factorization.

402424202237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 32.

The spelling of 402424202237 in words is "four hundred two billion, four hundred twenty-four million, two hundred two thousand, two hundred thirty-seven".