442922 has 4 divisors (see below), whose sum is σ = 664386. Its totient is φ = 221460.

The previous prime is 442919. The next prime is 442961. The reversal of 442922 is 229244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 410881 + 32041 = 641^2 + 179^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110729 + ... + 110732.

2⁴⁴²⁹²² is an apocalyptic number.

442922 is a deficient number, since it is larger than the sum of its proper divisors (221464).

442922 is a wasteful number, since it uses less digits than its factorization.

442922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221463.

The product of its digits is 1152, while the sum is 23.

The square root of 442922 is about 665.5238538174. The cubic root of 442922 is about 76.2270449579.

The spelling of 442922 in words is "four hundred forty-two thousand, nine hundred twenty-two".