2331222222 has 32 divisors (see below), whose sum is σ = 5472525312. Its totient is φ = 648061344.

The previous prime is 2331222209. The next prime is 2331222241. The reversal of 2331222222 is 2222221332.

2331222222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748518 + ... + 751625.

It is an arithmetic number, because the mean of its divisors is an integer number (171016416).

Almost surely, 2^2331222222 is an apocalyptic number.

2331222222 is an abundant number, since it is smaller than the sum of its proper divisors (3141303090).

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

2331222222 is a wasteful number, since it uses less digits than its factorization.

2331222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500192.

The product of its digits is 1152, while the sum is 21.

The square root of 2331222222 is about 48282.7321306489. The cubic root of 2331222222 is about 1325.9522708490.

Adding to 2331222222 its reverse (2222221332), we get a palindrome (4553443554).

The spelling of 2331222222 in words is "two billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty-two".