2302322220 has 72 divisors (see below), whose sum is σ = 7618600080. Its totient is φ = 558138240.

The previous prime is 2302322203. The next prime is 2302322227. The reversal of 2302322220 is 222232032.

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 = 2302322193 and 2302322202.

It is not an unprimeable number, because it can be changed into a prime (2302322227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579415 + ... + 583374.

It is an arithmetic number, because the mean of its divisors is an integer number (105813890).

Almost surely, 2^2302322220 is an apocalyptic number.

2302322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302322220 is an abundant number, since it is smaller than the sum of its proper divisors (5316277860).

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

2302322220 is a wasteful number, since it uses less digits than its factorization.

2302322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162815 (or 1162810 counting only the distinct ones).

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

The square root of 2302322220 is about 47982.5199421623. The cubic root of 2302322220 is about 1320.4502252077.

Adding to 2302322220 its reverse (222232032), we get a palindrome (2524554252).

The spelling of 2302322220 in words is "two billion, three hundred two million, three hundred twenty-two thousand, two hundred twenty".