442034230 has 32 divisors (see below), whose sum is σ = 878999040. Its totient is φ = 158701920.

The previous prime is 442034209. The next prime is 442034231. The reversal of 442034230 is 32430244.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442034231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16744 + ... + 34123.

It is an arithmetic number, because the mean of its divisors is an integer number (27468720).

Almost surely, 2^442034230 is an apocalyptic number.

442034230 is a deficient number, since it is larger than the sum of its proper divisors (436964810).

442034230 is a wasteful number, since it uses less digits than its factorization.

442034230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50964.

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

The square root of 442034230 is about 21024.6101034003. The cubic root of 442034230 is about 761.7608237534.

Adding to 442034230 its reverse (32430244), we get a palindrome (474464474).

The spelling of 442034230 in words is "four hundred forty-two million, thirty-four thousand, two hundred thirty".