444013122 has 16 divisors (see below), whose sum is σ = 1014887232. Its totient is φ = 126860880.

The previous prime is 444013057. The next prime is 444013139. The reversal of 444013122 is 221310444.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 5285829 + ... + 5285912.

It is an arithmetic number, because the mean of its divisors is an integer number (63430452).

Almost surely, 2^444013122 is an apocalyptic number.

444013122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444013122 is an abundant number, since it is smaller than the sum of its proper divisors (570874110).

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

444013122 is a wasteful number, since it uses less digits than its factorization.

444013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571753.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 444013122 is about 21071.6188746854. The cubic root of 444013122 is about 762.8958779926.

Adding to 444013122 its reverse (221310444), we get a palindrome (665323566).

The spelling of 444013122 in words is "four hundred forty-four million, thirteen thousand, one hundred twenty-two".