442662122 has 16 divisors (see below), whose sum is σ = 768456960. Its totient is φ = 187310448.

The previous prime is 442662109. The next prime is 442662137. The reversal of 442662122 is 221266244.

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, 199013 + ... + 201224.

It is an arithmetic number, because the mean of its divisors is an integer number (48028560).

Almost surely, 2^442662122 is an apocalyptic number.

442662122 is a deficient number, since it is larger than the sum of its proper divisors (325794838).

442662122 is a wasteful number, since it uses less digits than its factorization.

442662122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400325.

The product of its digits is 9216, while the sum is 29.

The square root of 442662122 is about 21039.5371146801. The cubic root of 442662122 is about 762.1213367355.

The spelling of 442662122 in words is "four hundred forty-two million, six hundred sixty-two thousand, one hundred twenty-two".