444225718 has 4 divisors (see below), whose sum is σ = 666338580. Its totient is φ = 222112858.

The previous prime is 444225709. The next prime is 444225739. The reversal of 444225718 is 817522444.

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, 111056428 + ... + 111056431.

It is an arithmetic number, because the mean of its divisors is an integer number (166584645).

Almost surely, 2^444225718 is an apocalyptic number.

444225718 is a deficient number, since it is larger than the sum of its proper divisors (222112862).

444225718 is a wasteful number, since it uses less digits than its factorization.

444225718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222112861.

The product of its digits is 71680, while the sum is 37.

The square root of 444225718 is about 21076.6628762715. The cubic root of 444225718 is about 763.0176181885.

The spelling of 444225718 in words is "four hundred forty-four million, two hundred twenty-five thousand, seven hundred eighteen".