442073722 has 16 divisors (see below), whose sum is σ = 698738400. Its totient is φ = 209185200.

The previous prime is 442073719. The next prime is 442073747. The reversal of 442073722 is 227370244.

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, 34404 + ... + 45472.

It is an arithmetic number, because the mean of its divisors is an integer number (43671150).

Almost surely, 2^442073722 is an apocalyptic number.

442073722 is a deficient number, since it is larger than the sum of its proper divisors (256664678).

442073722 is a wasteful number, since it uses less digits than its factorization.

442073722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 442073722 is about 21025.5492674983. The cubic root of 442073722 is about 761.7835086954.

The spelling of 442073722 in words is "four hundred forty-two million, seventy-three thousand, seven hundred twenty-two".