22553251332 has 48 divisors (see below), whose sum is σ = 56439149760. Its totient is φ = 6987696768.

The previous prime is 22553251283. The next prime is 22553251333. The reversal of 22553251332 is 23315235522.

It is a junction number, because it is equal to n+sod(n) for n = 22553251293 and 22553251302.

It is not an unprimeable number, because it can be changed into a prime (22553251333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921103 + ... + 945270.

It is an arithmetic number, because the mean of its divisors is an integer number (1175815620).

Almost surely, 2^22553251332 is an apocalyptic number.

It is an amenable number.

22553251332 is an abundant number, since it is smaller than the sum of its proper divisors (33885898428).

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

22553251332 is a wasteful number, since it uses less digits than its factorization.

22553251332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866452 (or 1866450 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

Adding to 22553251332 its reverse (23315235522), we get a palindrome (45868486854).

The spelling of 22553251332 in words is "twenty-two billion, five hundred fifty-three million, two hundred fifty-one thousand, three hundred thirty-two".