442223356 has 12 divisors (see below), whose sum is σ = 783687520. Its totient is φ = 218312640.

The previous prime is 442223321. The next prime is 442223359. The reversal of 442223356 is 653322244.

It is a super-2 number, since 2×442223356² = 391122993183805472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442223359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699405 + ... + 700036.

Almost surely, 2^442223356 is an apocalyptic number.

It is an amenable number.

442223356 is a deficient number, since it is larger than the sum of its proper divisors (341464164).

442223356 is a wasteful number, since it uses less digits than its factorization.

442223356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399524 (or 1399522 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 442223356 is about 21029.1073514783. The cubic root of 442223356 is about 761.8694490030.

The spelling of 442223356 in words is "four hundred forty-two million, two hundred twenty-three thousand, three hundred fifty-six".