22200022444 has 48 divisors (see below), whose sum is σ = 39919412736. Its totient is φ = 10798444800.

The previous prime is 22200022399. The next prime is 22200022457. The reversal of 22200022444 is 44422000222.

It is a happy number.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16074634 + ... + 16076014.

It is an arithmetic number, because the mean of its divisors is an integer number (831654432).

Almost surely, 2^22200022444 is an apocalyptic number.

It is an amenable number.

22200022444 is a deficient number, since it is larger than the sum of its proper divisors (17719390292).

22200022444 is a wasteful number, since it uses less digits than its factorization.

22200022444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22200022444 its reverse (44422000222), we get a palindrome (66622022666).

The spelling of 22200022444 in words is "twenty-two billion, two hundred million, twenty-two thousand, four hundred forty-four".