442422204 has 192 divisors, whose sum is σ = 1300561920. Its totient is φ = 114301440.

The previous prime is 442422193. The next prime is 442422241. The reversal of 442422204 is 402224244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4970992 + ... + 4971080.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 2^442422204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442422204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650280960).

442422204 is an abundant number, since it is smaller than the sum of its proper divisors (858139716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442422204 is a wasteful number, since it uses less digits than its factorization.

442422204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 442422204 is about 21033.8347430990. The cubic root of 442422204 is about 761.9836247265.

Adding to 442422204 its reverse (402224244), we get a palindrome (844646448).

The spelling of 442422204 in words is "four hundred forty-two million, four hundred twenty-two thousand, two hundred four".