2230331220 has 96 divisors (see below), whose sum is σ = 7472586240. Its totient is φ = 549002880.

The previous prime is 2230331179. The next prime is 2230331237. The reversal of 2230331220 is 221330322.

It is a happy number.

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 = 2230331193 and 2230331202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151836 + ... + 165875.

It is an arithmetic number, because the mean of its divisors is an integer number (77839440).

Almost surely, 2^2230331220 is an apocalyptic number.

2230331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230331220 is an abundant number, since it is smaller than the sum of its proper divisors (5242255020).

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

2230331220 is a wasteful number, since it uses less digits than its factorization.

2230331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317742 (or 317734 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2230331220 is about 47226.3826690125. The cubic root of 2230331220 is about 1306.5412362535.

Adding to 2230331220 its reverse (221330322), we get a palindrome (2451661542).

The spelling of 2230331220 in words is "two billion, two hundred thirty million, three hundred thirty-one thousand, two hundred twenty".