22440422244 has 12 divisors (see below), whose sum is σ = 52360985264. Its totient is φ = 7480140744.

The previous prime is 22440422237. The next prime is 22440422261. The reversal of 22440422244 is 44222404422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935017582 + ... + 935017605.

Almost surely, 2^22440422244 is an apocalyptic number.

It is an amenable number.

22440422244 is an abundant number, since it is smaller than the sum of its proper divisors (29920563020).

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

22440422244 is a wasteful number, since it uses less digits than its factorization.

22440422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870035194 (or 1870035192 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22440422244 its reverse (44222404422), we get a palindrome (66662826666).

The spelling of 22440422244 in words is "twenty-two billion, four hundred forty million, four hundred twenty-two thousand, two hundred forty-four".