444099220 has 24 divisors (see below), whose sum is σ = 941328864. Its totient is φ = 175978656.

The previous prime is 444099209. The next prime is 444099233. The reversal of 444099220 is 22990444.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 101622 + ... + 105901.

It is an arithmetic number, because the mean of its divisors is an integer number (39222036).

Almost surely, 2^444099220 is an apocalyptic number.

It is an amenable number.

444099220 is an abundant number, since it is smaller than the sum of its proper divisors (497229644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444099220 is a wasteful number, since it uses less digits than its factorization.

444099220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207639 (or 207637 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 444099220 is about 21073.6617605959. The cubic root of 444099220 is about 762.9451855175.

The spelling of 444099220 in words is "four hundred forty-four million, ninety-nine thousand, two hundred twenty".