444818672259222 has 32 divisors (see below), whose sum is σ = 890761001647104. Its totient is φ = 148085633858400.

The previous prime is 444818672259173. The next prime is 444818672259229. The reversal of 444818672259222 is 222952276818444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444818672259229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90193947 + ... + 94997817.

It is an arithmetic number, because the mean of its divisors is an integer number (27836281301472).

Almost surely, 2^{444818672259222} is an apocalyptic number.

444818672259222 is an abundant number, since it is smaller than the sum of its proper divisors (445942329387882).

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

444818672259222 is a wasteful number, since it uses less digits than its factorization.

444818672259222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823364.

The product of its digits is 247726080, while the sum is 66.

The spelling of 444818672259222 in words is "four hundred forty-four trillion, eight hundred eighteen billion, six hundred seventy-two million, two hundred fifty-nine thousand, two hundred twenty-two".