442023022 has 12 divisors (see below), whose sum is σ = 771285240. Its totient is φ = 189438396.

The previous prime is 442023007. The next prime is 442023031. The reversal of 442023022 is 220320244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2255122 + ... + 2255317.

It is an arithmetic number, because the mean of its divisors is an integer number (64273770).

Almost surely, 2^442023022 is an apocalyptic number.

442023022 is a deficient number, since it is larger than the sum of its proper divisors (329262218).

442023022 is a wasteful number, since it uses less digits than its factorization.

442023022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510455 (or 4510448 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 442023022 is about 21024.3435569342. The cubic root of 442023022 is about 761.7543854228.

Adding to 442023022 its reverse (220320244), we get a palindrome (662343266).

It can be divided in two parts, 44 and 2023022, that added together give a triangular number (2023066 = T₂₀₁₁).

The spelling of 442023022 in words is "four hundred forty-two million, twenty-three thousand, twenty-two".