22572641000 has 128 divisors (see below), whose sum is σ = 65009468160. Its totient is φ = 7143840000.

The previous prime is 22572640973. The next prime is 22572641009. The reversal of 22572641000 is 14627522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22572641009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33026 + ... + 215025.

It is an arithmetic number, because the mean of its divisors is an integer number (507886470).

Almost surely, 2^22572641000 is an apocalyptic number.

22572641000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22572641000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32504734080).

22572641000 is an abundant number, since it is smaller than the sum of its proper divisors (42436827160).

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

22572641000 is a wasteful number, since it uses less digits than its factorization.

22572641000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248092 (or 248078 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 22572641000 in words is "twenty-two billion, five hundred seventy-two million, six hundred forty-one thousand".