22533242132 has 24 divisors (see below), whose sum is σ = 40109406792. Its totient is φ = 11073686400.

The previous prime is 22533242089. The next prime is 22533242177. The reversal of 22533242132 is 23124233522.

It can be written as a sum of positive squares in 4 ways, for example, as 6211646596 + 16321595536 = 78814^2 + 127756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22533242095 and 22533242104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301382 + ... + 368642.

It is an arithmetic number, because the mean of its divisors is an integer number (1671225283).

Almost surely, 2^22533242132 is an apocalyptic number.

It is an amenable number.

22533242132 is a deficient number, since it is larger than the sum of its proper divisors (17576164660).

22533242132 is a wasteful number, since it uses less digits than its factorization.

22533242132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68699 (or 68697 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

Adding to 22533242132 its reverse (23124233522), we get a palindrome (45657475654).

The spelling of 22533242132 in words is "twenty-two billion, five hundred thirty-three million, two hundred forty-two thousand, one hundred thirty-two".