22951200000 has 432 divisors, whose sum is σ = 77986383552. Its totient is φ = 5990400000.

The previous prime is 22951199983. The next prime is 22951200007. The reversal of 22951200000 is 215922.

It is a self number, because there is not a number n which added to its sum of digits gives 22951200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22951200007) 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, 175199935 + ... + 175200065.

It is an arithmetic number, because the mean of its divisors is an integer number (180524036).

Almost surely, 2^22951200000 is an apocalyptic number.

22951200000 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 22951200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38993191776).

22951200000 is an abundant number, since it is smaller than the sum of its proper divisors (55035183552).

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

22951200000 is an frugal number, since it uses more digits than its factorization.

22951200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 22951200000 its reverse (215922), we get a palindrome (22951415922).

The spelling of 22951200000 in words is "twenty-two billion, nine hundred fifty-one million, two hundred thousand".