22222144132 has 12 divisors (see below), whose sum is σ = 38960639116. Its totient is φ = 11090532960.

The previous prime is 22222144123. The next prime is 22222144141. The reversal of 22222144132 is 23144122222.

It is an interprime number because it is at equal distance from previous prime (22222144123) and next prime (22222144141).

It can be written as a sum of positive squares in 2 ways, for example, as 4406835456 + 17815308676 = 66384^2 + 133474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22222144097 and 22222144106.

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, 5132343 + ... + 5136670.

Almost surely, 2^22222144132 is an apocalyptic number.

It is an amenable number.

22222144132 is a deficient number, since it is larger than the sum of its proper divisors (16738494984).

22222144132 is a wasteful number, since it uses less digits than its factorization.

22222144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269558 (or 10269556 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

Adding to 22222144132 its reverse (23144122222), we get a palindrome (45366266354).

The spelling of 22222144132 in words is "twenty-two billion, two hundred twenty-two million, one hundred forty-four thousand, one hundred thirty-two".