22122300000 has 288 divisors, whose sum is σ = 74583288864. Its totient is φ = 5736960000.

The previous prime is 22122299993. The next prime is 22122300007. The reversal of 22122300000 is 322122.

It is an interprime number because it is at equal distance from previous prime (22122299993) and next prime (22122300007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122300007) 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, 11099004 + ... + 11100996.

It is an arithmetic number, because the mean of its divisors is an integer number (258969753).

Almost surely, 2^22122300000 is an apocalyptic number.

22122300000 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 22122300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37291644432).

22122300000 is an abundant number, since it is smaller than the sum of its proper divisors (52460988864).

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

22122300000 is an equidigital number, since it uses as much as digits as its factorization.

22122300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22122300000 its reverse (322122), we get a palindrome (22122622122).

The spelling of 22122300000 in words is "twenty-two billion, one hundred twenty-two million, three hundred thousand".