442223030 has 24 divisors (see below), whose sum is σ = 824411952. Its totient is φ = 170786336.

The previous prime is 442223011. The next prime is 442223063. The reversal of 442223030 is 30322244.

It is a super-2 number, since 2×442223030² = 391122416524761800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442222993 and 442223011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17882 + ... + 34701.

It is an arithmetic number, because the mean of its divisors is an integer number (34350498).

Almost surely, 2^442223030 is an apocalyptic number.

442223030 is a deficient number, since it is larger than the sum of its proper divisors (382188922).

442223030 is a wasteful number, since it uses less digits than its factorization.

442223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52648 (or 52619 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 442223030 is about 21029.0996003157. The cubic root of 442223030 is about 761.8692617903.

Adding to 442223030 its reverse (30322244), we get a palindrome (472545274).

The spelling of 442223030 in words is "four hundred forty-two million, two hundred twenty-three thousand, thirty".