442000222 has 8 divisors (see below), whose sum is σ = 663165576. Its totient is φ = 220945032.

The previous prime is 442000219. The next prime is 442000243. The reversal of 442000222 is 222000244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 442000196 and 442000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16648 + ... + 34075.

It is an arithmetic number, because the mean of its divisors is an integer number (82895697).

Almost surely, 2^442000222 is an apocalyptic number.

442000222 is a deficient number, since it is larger than the sum of its proper divisors (221165354).

442000222 is a wasteful number, since it uses less digits than its factorization.

442000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55082.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 442000222 is about 21023.8013213596. The cubic root of 442000222 is about 761.7412878406.

Adding to 442000222 its reverse (222000244), we get a palindrome (664000466).

The spelling of 442000222 in words is "four hundred forty-two million, two hundred twenty-two", and thus it is an aban number.