442451022 has 16 divisors (see below), whose sum is σ = 952971600. Its totient is φ = 136138752.

The previous prime is 442451017. The next prime is 442451033. The reversal of 442451022 is 220154244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442450983 and 442451001.

It is a congruent number.

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, 2836147 + ... + 2836302.

It is an arithmetic number, because the mean of its divisors is an integer number (59560725).

Almost surely, 2^442451022 is an apocalyptic number.

442451022 is an abundant number, since it is smaller than the sum of its proper divisors (510520578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442451022 is a wasteful number, since it uses less digits than its factorization.

442451022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672467.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 442451022 is about 21034.5197710811. The cubic root of 442451022 is about 762.0001687781. Note that the first 3 decimals are identical.

The spelling of 442451022 in words is "four hundred forty-two million, four hundred fifty-one thousand, twenty-two".