402152227 has 2 divisors, whose sum is σ = 402152228. Its totient is φ = 402152226.

The previous prime is 402152209. The next prime is 402152249. The reversal of 402152227 is 722251204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402152227 - 2⁷ = 402152099 is a prime.

It is not a weakly prime, because it can be changed into another prime (402152207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201076113 + 201076114.

It is an arithmetic number, because the mean of its divisors is an integer number (201076114).

Almost surely, 2^402152227 is an apocalyptic number.

402152227 is a deficient number, since it is larger than the sum of its proper divisors (1).

402152227 is an equidigital number, since it uses as much as digits as its factorization.

402152227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 402152227 is about 20053.7334927938. The cubic root of 402152227 is about 738.1254153624.

The spelling of 402152227 in words is "four hundred two million, one hundred fifty-two thousand, two hundred twenty-seven".