22402424244 has 12 divisors (see below), whose sum is σ = 52272323264. Its totient is φ = 7467474744.

The previous prime is 22402424243. The next prime is 22402424263. The reversal of 22402424244 is 44242420422.

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-2 number, since 2×22402424244² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402424243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933434332 + ... + 933434355.

Almost surely, 2^22402424244 is an apocalyptic number.

It is an amenable number.

22402424244 is an abundant number, since it is smaller than the sum of its proper divisors (29869899020).

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

22402424244 is a wasteful number, since it uses less digits than its factorization.

22402424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866868694 (or 1866868692 counting only the distinct ones).

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

Adding to 22402424244 its reverse (44242420422), we get a palindrome (66644844666).

The spelling of 22402424244 in words is "twenty-two billion, four hundred two million, four hundred twenty-four thousand, two hundred forty-four".