22450528332 has 144 divisors (see below), whose sum is σ = 59336236960. Its totient is φ = 7150685184.

The previous prime is 22450528313. The next prime is 22450528339. The reversal of 22450528332 is 23382505422.

22450528332 is a `hidden beast` number, since 224 + 50 + 52 + 8 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22450528339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36268719 + ... + 36269337.

Almost surely, 2^22450528332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22450528332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29668118480).

22450528332 is an abundant number, since it is smaller than the sum of its proper divisors (36885708628).

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

22450528332 is a wasteful number, since it uses less digits than its factorization.

22450528332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 22450528332 in words is "twenty-two billion, four hundred fifty million, five hundred twenty-eight thousand, three hundred thirty-two".