442977274 has 4 divisors (see below), whose sum is σ = 664465914. Its totient is φ = 221488636.

The previous prime is 442977239. The next prime is 442977277. The reversal of 442977274 is 472779244.

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., 280797049 + 162180225 = 16757^2 + 12735^2 .

It is not an unprimeable number, because it can be changed into a prime (442977277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110744317 + ... + 110744320.

Almost surely, 2^442977274 is an apocalyptic number.

442977274 is a deficient number, since it is larger than the sum of its proper divisors (221488640).

442977274 is a wasteful number, since it uses less digits than its factorization.

442977274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221488639.

The product of its digits is 790272, while the sum is 46.

The square root of 442977274 is about 21047.0253005027. The cubic root of 442977274 is about 762.3021571812.

The spelling of 442977274 in words is "four hundred forty-two million, nine hundred seventy-seven thousand, two hundred seventy-four".