22553311000 has 96 divisors (see below), whose sum is σ = 58008918240. Its totient is φ = 8201160000.

The previous prime is 22553310953. The next prime is 22553311003. The reversal of 22553311000 is 11335522.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553311003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27805 + ... + 214195.

It is an arithmetic number, because the mean of its divisors is an integer number (604259565).

Almost surely, 2^22553311000 is an apocalyptic number.

22553311000 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 22553311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29004459120).

22553311000 is an abundant number, since it is smaller than the sum of its proper divisors (35455607240).

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

22553311000 is a wasteful number, since it uses less digits than its factorization.

22553311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186434 (or 186409 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 22553311000 its reverse (11335522), we get a palindrome (22564646522).

The spelling of 22553311000 in words is "twenty-two billion, five hundred fifty-three million, three hundred eleven thousand".