422132987 has 2 divisors, whose sum is σ = 422132988. Its totient is φ = 422132986.

The previous prime is 422132927. The next prime is 422133017. The reversal of 422132987 is 789231224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422132987 - 2⁶ = 422132923 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422132987.

It is not a weakly prime, because it can be changed into another prime (422132917) 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, 211066493 + 211066494.

It is an arithmetic number, because the mean of its divisors is an integer number (211066494).

Almost surely, 2^422132987 is an apocalyptic number.

422132987 is a deficient number, since it is larger than the sum of its proper divisors (1).

422132987 is an equidigital number, since it uses as much as digits as its factorization.

422132987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 422132987 is about 20545.8751821381. The cubic root of 422132987 is about 750.1528500322.

The spelling of 422132987 in words is "four hundred twenty-two million, one hundred thirty-two thousand, nine hundred eighty-seven".