402622147 has 2 divisors, whose sum is σ = 402622148. Its totient is φ = 402622146.

The previous prime is 402622133. The next prime is 402622151. The reversal of 402622147 is 741226204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402622147 - 2²⁷ = 268404419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402622177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201311073 + 201311074.

It is an arithmetic number, because the mean of its divisors is an integer number (201311074).

Almost surely, 2^402622147 is an apocalyptic number.

402622147 is a deficient number, since it is larger than the sum of its proper divisors (1).

402622147 is an equidigital number, since it uses as much as digits as its factorization.

402622147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 402622147 is about 20065.4465935847. The cubic root of 402622147 is about 738.4128064349.

The spelling of 402622147 in words is "four hundred two million, six hundred twenty-two thousand, one hundred forty-seven".