222321232332120 has 128 divisors (see below), whose sum is σ = 673853157685440. Its totient is φ = 58673763686400.

The previous prime is 222321232332119. The next prime is 222321232332131. The reversal of 222321232332120 is 21233232123222.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24675594 + ... + 32458086.

Almost surely, 2^{222321232332120} is an apocalyptic number.

222321232332120 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 222321232332120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336926578842720).

222321232332120 is an abundant number, since it is smaller than the sum of its proper divisors (451531925353320).

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

222321232332120 is a wasteful number, since it uses less digits than its factorization.

222321232332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784965 (or 7784961 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 222321232332120 its reverse (21233232123222), we get a palindrome (243554464455342).

The spelling of 222321232332120 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, two hundred thirty-two million, three hundred thirty-two thousand, one hundred twenty".