402350227 has 2 divisors, whose sum is σ = 402350228. Its totient is φ = 402350226.

The previous prime is 402350191. The next prime is 402350257. The reversal of 402350227 is 722053204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402350227 is a prime.

It is not a weakly prime, because it can be changed into another prime (402350257) 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, 201175113 + 201175114.

It is an arithmetic number, because the mean of its divisors is an integer number (201175114).

Almost surely, 2^402350227 is an apocalyptic number.

402350227 is a deficient number, since it is larger than the sum of its proper divisors (1).

402350227 is an equidigital number, since it uses as much as digits as its factorization.

402350227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 402350227 is about 20058.6696218867. The cubic root of 402350227 is about 738.2465343845.

The spelling of 402350227 in words is "four hundred two million, three hundred fifty thousand, two hundred twenty-seven".