442220204 has 6 divisors (see below), whose sum is σ = 773885364. Its totient is φ = 221110100.

The previous prime is 442220197. The next prime is 442220209. The reversal of 442220204 is 402022244.

It is not an unprimeable number, because it can be changed into a prime (442220209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55277522 + ... + 55277529.

It is an arithmetic number, because the mean of its divisors is an integer number (128980894).

Almost surely, 2^442220204 is an apocalyptic number.

It is an amenable number.

442220204 is a deficient number, since it is larger than the sum of its proper divisors (331665160).

442220204 is a wasteful number, since it uses less digits than its factorization.

442220204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110555055 (or 110555053 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 442220204 is about 21029.0324076026. The cubic root of 442220204 is about 761.8676388934.

Adding to 442220204 its reverse (402022244), we get a palindrome (844242448).

The spelling of 442220204 in words is "four hundred forty-two million, two hundred twenty thousand, two hundred four".