442022226 has 32 divisors (see below), whose sum is σ = 915530688. Its totient is φ = 142184640.

The previous prime is 442022209. The next prime is 442022233. The reversal of 442022226 is 622220244.

It is a junction number, because it is equal to n+sod(n) for n = 442022196 and 442022205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8005 + ... + 30791.

It is an arithmetic number, because the mean of its divisors is an integer number (28610334).

Almost surely, 2^442022226 is an apocalyptic number.

442022226 is an abundant number, since it is smaller than the sum of its proper divisors (473508462).

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

442022226 is a wasteful number, since it uses less digits than its factorization.

442022226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22906.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442022226 is about 21024.3246264892. The cubic root of 442022226 is about 761.7539281640.

The spelling of 442022226 in words is "four hundred forty-two million, twenty-two thousand, two hundred twenty-six".