22153037700 has 144 divisors (see below), whose sum is σ = 64688984640. Its totient is φ = 5853120000.

The previous prime is 22153037677. The next prime is 22153037701. The reversal of 22153037700 is 773035122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22153037701) 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, 17027050 + ... + 17028350.

It is an arithmetic number, because the mean of its divisors is an integer number (449229060).

Almost surely, 2^22153037700 is an apocalyptic number.

22153037700 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 22153037700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32344492320).

22153037700 is an abundant number, since it is smaller than the sum of its proper divisors (42535946940).

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

22153037700 is a wasteful number, since it uses less digits than its factorization.

22153037700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The spelling of 22153037700 in words is "twenty-two billion, one hundred fifty-three million, thirty-seven thousand, seven hundred".