442204134 has 16 divisors (see below), whose sum is σ = 884935488. Its totient is φ = 147313512.

The previous prime is 442204129. The next prime is 442204193. The reversal of 442204134 is 431402244.

It is a happy number.

It is a super-2 number, since 2×442204134² = 391088992253379912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10612 + ... + 31575.

It is an arithmetic number, because the mean of its divisors is an integer number (55308468).

Almost surely, 2^442204134 is an apocalyptic number.

442204134 is an abundant number, since it is smaller than the sum of its proper divisors (442731354).

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

442204134 is a wasteful number, since it uses less digits than its factorization.

442204134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43939.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442204134 is about 21028.6503133225. The cubic root of 442204134 is about 761.8584101870.

Adding to 442204134 its reverse (431402244), we get a palindrome (873606378).

The spelling of 442204134 in words is "four hundred forty-two million, two hundred four thousand, one hundred thirty-four".