222135415320 has 256 divisors, whose sum is σ = 832436720640. Its totient is φ = 46168455168.

The previous prime is 222135415279. The next prime is 222135415321. The reversal of 222135415320 is 23514531222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222135415321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 579834 + ... + 883446.

It is an arithmetic number, because the mean of its divisors is an integer number (3251705940).

Almost surely, 2^222135415320 is an apocalyptic number.

222135415320 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 222135415320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416218360320).

222135415320 is an abundant number, since it is smaller than the sum of its proper divisors (610301305320).

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

222135415320 is a wasteful number, since it uses less digits than its factorization.

222135415320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303714 (or 303710 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 222135415320 its reverse (23514531222), we get a palindrome (245649946542).

The spelling of 222135415320 in words is "two hundred twenty-two billion, one hundred thirty-five million, four hundred fifteen thousand, three hundred twenty".