442022986 has 32 divisors (see below), whose sum is σ = 702438912. Its totient is φ = 208327680.

The previous prime is 442022983. The next prime is 442023007. The reversal of 442022986 is 689220244.

It is not an unprimeable number, because it can be changed into a prime (442022983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402390 + ... + 403486.

It is an arithmetic number, because the mean of its divisors is an integer number (21951216).

Almost surely, 2^442022986 is an apocalyptic number.

442022986 is a deficient number, since it is larger than the sum of its proper divisors (260415926).

442022986 is a wasteful number, since it uses less digits than its factorization.

442022986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 442022986 is about 21024.3427007838. The cubic root of 442022986 is about 761.7543647428.

The spelling of 442022986 in words is "four hundred forty-two million, twenty-two thousand, nine hundred eighty-six".