442333442 has 8 divisors (see below), whose sum is σ = 676019196. Its totient is φ = 216993712.

The previous prime is 442333427. The next prime is 442333453. The reversal of 442333442 is 244333244.

It can be written as a sum of positive squares in 2 ways, for example, as 422343601 + 19989841 = 20551^2 + 4471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2086373 + ... + 2086584.

Almost surely, 2^442333442 is an apocalyptic number.

442333442 is a deficient number, since it is larger than the sum of its proper divisors (233685754).

442333442 is a wasteful number, since it uses less digits than its factorization.

442333442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173012.

The product of its digits is 27648, while the sum is 29.

The square root of 442333442 is about 21031.7246558622. The cubic root of 442333442 is about 761.9326630632.

Adding to 442333442 its reverse (244333244), we get a palindrome (686666686).

The spelling of 442333442 in words is "four hundred forty-two million, three hundred thirty-three thousand, four hundred forty-two".