222334020 has 72 divisors (see below), whose sum is σ = 685503000. Its totient is φ = 58314240.

The previous prime is 222334019. The next prime is 222334033. The reversal of 222334020 is 20433222.

It can be written as a sum of positive squares in 4 ways, for example, as 1633284 + 220700736 = 1278^2 + 14856^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222333984 and 222334002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 856 + ... + 21104.

It is an arithmetic number, because the mean of its divisors is an integer number (9520875).

Almost surely, 2^222334020 is an apocalyptic number.

222334020 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 222334020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342751500).

222334020 is an abundant number, since it is smaller than the sum of its proper divisors (463168980).

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

222334020 is a wasteful number, since it uses less digits than its factorization.

222334020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20325 (or 20320 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222334020 is about 14910.8691899567. The cubic root of 222334020 is about 605.8084222705.

Adding to 222334020 its reverse (20433222), we get a palindrome (242767242).

The spelling of 222334020 in words is "two hundred twenty-two million, three hundred thirty-four thousand, twenty".