222123300000 has 864 divisors, whose sum is σ = 882053794944. Its totient is φ = 47934720000.

The previous prime is 222123299999. The next prime is 222123300001. The reversal of 222123300000 is 3321222.

It is an interprime number because it is at equal distance from previous prime (222123299999) and next prime (222123300001).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (222123300001) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 758099854 + ... + 758100146.

It is an arithmetic number, because the mean of its divisors is an integer number (1020895596).

Almost surely, 2^222123300000 is an apocalyptic number.

222123300000 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 222123300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441026897472).

222123300000 is an abundant number, since it is smaller than the sum of its proper divisors (659930494944).

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

222123300000 is an equidigital number, since it uses as much as digits as its factorization.

222123300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 222123300000 its reverse (3321222), we get a palindrome (222126621222).

The spelling of 222123300000 in words is "two hundred twenty-two billion, one hundred twenty-three million, three hundred thousand".