442022065 has 4 divisors (see below), whose sum is σ = 530426484. Its totient is φ = 353617648.

The previous prime is 442022051. The next prime is 442022071. The reversal of 442022065 is 560220244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 295805601 + 146216464 = 17199^2 + 12092^2 .

It is a cyclic number.

It is not a de Polignac number, because 442022065 - 2⁵ = 442022033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44202202 + ... + 44202211.

It is an arithmetic number, because the mean of its divisors is an integer number (132606621).

Almost surely, 2^442022065 is an apocalyptic number.

It is an amenable number.

442022065 is a deficient number, since it is larger than the sum of its proper divisors (88404419).

442022065 is an equidigital number, since it uses as much as digits as its factorization.

442022065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88404418.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 442022065 is about 21024.3207975906. The cubic root of 442022065 is about 761.7538356781.

The spelling of 442022065 in words is "four hundred forty-two million, twenty-two thousand, sixty-five".