442211204 has 12 divisors (see below), whose sum is σ = 786556428. Its totient is φ = 217480800.

The previous prime is 442211197. The next prime is 442211207. The reversal of 442211204 is 402112244.

It can be written as a sum of positive squares in 2 ways, for example, as 252873604 + 189337600 = 15902^2 + 13760^2 .

It is not an unprimeable number, because it can be changed into a prime (442211207) 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, 905927 + ... + 906414.

It is an arithmetic number, because the mean of its divisors is an integer number (65546369).

Almost surely, 2^442211204 is an apocalyptic number.

It is an amenable number.

442211204 is a deficient number, since it is larger than the sum of its proper divisors (344345224).

442211204 is a wasteful number, since it uses less digits than its factorization.

442211204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812406 (or 1812404 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442211204 is about 21028.8184166396. The cubic root of 442211204 is about 761.8624703859.

Adding to 442211204 its reverse (402112244), we get a palindrome (844323448).

The spelling of 442211204 in words is "four hundred forty-two million, two hundred eleven thousand, two hundred four".