222330331020 has 96 divisors (see below), whose sum is σ = 712557554688. Its totient is φ = 50739754752.

The previous prime is 222330331019. The next prime is 222330331081. The reversal of 222330331020 is 20133033222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137347 + ... + 680826.

It is an arithmetic number, because the mean of its divisors is an integer number (7422474528).

Almost surely, 2^222330331020 is an apocalyptic number.

222330331020 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 222330331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356278777344).

222330331020 is an abundant number, since it is smaller than the sum of its proper divisors (490227223668).

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

222330331020 is a wasteful number, since it uses less digits than its factorization.

222330331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818839 (or 818837 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 222330331020 its reverse (20133033222), we get a palindrome (242463364242).

The spelling of 222330331020 in words is "two hundred twenty-two billion, three hundred thirty million, three hundred thirty-one thousand, twenty".