22225406244 has 12 divisors (see below), whose sum is σ = 51859281264. Its totient is φ = 7408468744.

The previous prime is 22225406221. The next prime is 22225406279. The reversal of 22225406244 is 44260452222.

It is a happy number.

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

It is a super-3 number, since 3×22225406244³ (a number of 32 digits) contains 333 as substring.

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, 926058582 + ... + 926058605.

It is an arithmetic number, because the mean of its divisors is an integer number (4321606772).

Almost surely, 2^22225406244 is an apocalyptic number.

It is an amenable number.

22225406244 is an abundant number, since it is smaller than the sum of its proper divisors (29633875020).

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

22225406244 is a wasteful number, since it uses less digits than its factorization.

22225406244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852117194 (or 1852117192 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 22225406244 its reverse (44260452222), we get a palindrome (66485858466).

The spelling of 22225406244 in words is "twenty-two billion, two hundred twenty-five million, four hundred six thousand, two hundred forty-four".