442002022 has 32 divisors (see below), whose sum is σ = 829382400. Its totient is φ = 171629280.

The previous prime is 442002013. The next prime is 442002089. The reversal of 442002022 is 220200244.

It is a junction number, because it is equal to n+sod(n) for n = 442001987 and 442002005.

It is a congruent number.

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, 42604 + ... + 51952.

It is an arithmetic number, because the mean of its divisors is an integer number (25918200).

Almost surely, 2^442002022 is an apocalyptic number.

442002022 is a deficient number, since it is larger than the sum of its proper divisors (387380378).

442002022 is a wasteful number, since it uses less digits than its factorization.

442002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 442002022 is about 21023.8441299397. The cubic root of 442002022 is about 761.7423218767.

Adding to 442002022 its reverse (220200244), we get a palindrome (662202266).

The spelling of 442002022 in words is "four hundred forty-two million, two thousand, twenty-two".