442450222 has 4 divisors (see below), whose sum is σ = 663675336. Its totient is φ = 221225110.

The previous prime is 442450193. The next prime is 442450291. The reversal of 442450222 is 222054244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110612554 + ... + 110612557.

It is an arithmetic number, because the mean of its divisors is an integer number (165918834).

Almost surely, 2^442450222 is an apocalyptic number.

442450222 is a deficient number, since it is larger than the sum of its proper divisors (221225114).

442450222 is a wasteful number, since it uses less digits than its factorization.

442450222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221225113.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 442450222 is about 21034.5007547125. The cubic root of 442450222 is about 761.9997095178. Note that the first 3 decimals are identical.

The spelling of 442450222 in words is "four hundred forty-two million, four hundred fifty thousand, two hundred twenty-two".