442242244 has 24 divisors (see below), whose sum is σ = 786433536. Its totient is φ = 217560000.

The previous prime is 442242209. The next prime is 442242289.

442242244 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169389 + ... + 171979.

It is an arithmetic number, because the mean of its divisors is an integer number (32768064).

Almost surely, 2^442242244 is an apocalyptic number.

It is an amenable number.

442242244 is a deficient number, since it is larger than the sum of its proper divisors (344191292).

442242244 is a wasteful number, since it uses less digits than its factorization.

442242244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3265 counting only the distinct ones).

The product of its digits is 16384, while the sum is 28.

The square root of 442242244 is about 21029.5564384986. The cubic root of 442242244 is about 761.8802956977.

The spelling of 442242244 in words is "four hundred forty-two million, two hundred forty-two thousand, two hundred forty-four".