442124230 has 16 divisors (see below), whose sum is σ = 796105440. Its totient is φ = 176787072.

The previous prime is 442124209. The next prime is 442124231. The reversal of 442124230 is 32421244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442124231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30991 + ... + 42949.

It is an arithmetic number, because the mean of its divisors is an integer number (49756590).

Almost surely, 2^442124230 is an apocalyptic number.

442124230 is a deficient number, since it is larger than the sum of its proper divisors (353981210).

442124230 is a wasteful number, since it uses less digits than its factorization.

442124230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 442124230 is about 21026.7503433127. The cubic root of 442124230 is about 761.8125194646.

Adding to 442124230 its reverse (32421244), we get a palindrome (474545474).

The spelling of 442124230 in words is "four hundred forty-two million, one hundred twenty-four thousand, two hundred thirty".