422974 has 8 divisors (see below), whose sum is σ = 645048. Its totient is φ = 207960.

The previous prime is 422969. The next prime is 422987. The reversal of 422974 is 479224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (80631).

2⁴²²⁹⁷⁴ is an apocalyptic number.

422974 is a deficient number, since it is larger than the sum of its proper divisors (222074).

422974 is a wasteful number, since it uses less digits than its factorization.

422974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530.

The product of its digits is 4032, while the sum is 28.

The square root of 422974 is about 650.3645131770. The cubic root of 422974 is about 75.0650694558.

The spelling of 422974 in words is "four hundred twenty-two thousand, nine hundred seventy-four".