442142222 has 16 divisors (see below), whose sum is σ = 703216080. Its totient is φ = 207773568.

The previous prime is 442142209. The next prime is 442142231. The reversal of 442142222 is 222241244.

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, 16328 + ... + 33924.

It is an arithmetic number, because the mean of its divisors is an integer number (43951005).

Almost surely, 2^442142222 is an apocalyptic number.

442142222 is a deficient number, since it is larger than the sum of its proper divisors (261073858).

442142222 is a wasteful number, since it uses less digits than its factorization.

442142222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18355.

The product of its digits is 2048, while the sum is 23.

The square root of 442142222 is about 21027.1781749240. The cubic root of 442142222 is about 761.8228531703.

Adding to 442142222 its reverse (222241244), we get a palindrome (664383466).

The spelling of 442142222 in words is "four hundred forty-two million, one hundred forty-two thousand, two hundred twenty-two".