22231572000 has 576 divisors, whose sum is σ = 81690021504. Its totient is φ = 5280000000.

The previous prime is 22231571977. The next prime is 22231572017. The reversal of 22231572000 is 27513222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 88571875 + ... + 88572125.

It is an arithmetic number, because the mean of its divisors is an integer number (141822954).

Almost surely, 2^22231572000 is an apocalyptic number.

22231572000 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 22231572000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40845010752).

22231572000 is an abundant number, since it is smaller than the sum of its proper divisors (59458449504).

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

22231572000 is a wasteful number, since it uses less digits than its factorization.

22231572000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The spelling of 22231572000 in words is "twenty-two billion, two hundred thirty-one million, five hundred seventy-two thousand".