442320232 has 16 divisors (see below), whose sum is σ = 832658400. Its totient is φ = 220278000.

The previous prime is 442320187. The next prime is 442320239. The reversal of 442320232 is 232023244.

It is not an unprimeable number, because it can be changed into a prime (442320239) 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, 108132 + ... + 112147.

It is an arithmetic number, because the mean of its divisors is an integer number (52041150).

Almost surely, 2^442320232 is an apocalyptic number.

It is an amenable number.

442320232 is a deficient number, since it is larger than the sum of its proper divisors (390338168).

442320232 is a wasteful number, since it uses less digits than its factorization.

442320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220536 (or 220532 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 442320232 is about 21031.4106041416. The cubic root of 442320232 is about 761.9250781135.

Adding to 442320232 its reverse (232023244), we get a palindrome (674343476).

The spelling of 442320232 in words is "four hundred forty-two million, three hundred twenty thousand, two hundred thirty-two".