2331430222 has 32 divisors (see below), whose sum is σ = 3889480320. Its totient is φ = 1039214880.

The previous prime is 2331430183. The next prime is 2331430223. The reversal of 2331430222 is 2220341332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2331430193 and 2331430202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331430223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334093 + ... + 340999.

It is an arithmetic number, because the mean of its divisors is an integer number (121546260).

Almost surely, 2^2331430222 is an apocalyptic number.

2331430222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2331430222 is a deficient number, since it is larger than the sum of its proper divisors (1558050098).

2331430222 is a wasteful number, since it uses less digits than its factorization.

2331430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2331430222 is about 48284.8860617896. The cubic root of 2331430222 is about 1325.9917050805.

Adding to 2331430222 its reverse (2220341332), we get a palindrome (4551771554).

The spelling of 2331430222 in words is "two billion, three hundred thirty-one million, four hundred thirty thousand, two hundred twenty-two".