444722398 has 24 divisors (see below), whose sum is σ = 710625960. Its totient is φ = 208688400.

The previous prime is 444722381. The next prime is 444722401. The reversal of 444722398 is 893227444.

It is a super-2 number, since 2×444722398² = 395556022565740808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75873 + ... + 81523.

It is an arithmetic number, because the mean of its divisors is an integer number (29609415).

Almost surely, 2^444722398 is an apocalyptic number.

444722398 is a deficient number, since it is larger than the sum of its proper divisors (265903562).

444722398 is a wasteful number, since it uses less digits than its factorization.

444722398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800 (or 5781 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 444722398 is about 21088.4422848156. The cubic root of 444722398 is about 763.3018839129.

The spelling of 444722398 in words is "four hundred forty-four million, seven hundred twenty-two thousand, three hundred ninety-eight".