2331222 has 16 divisors (see below), whose sum is σ = 4788912. Its totient is φ = 756000.

The previous prime is 2331191. The next prime is 2331253. The reversal of 2331222 is 2221332.

It is an interprime number because it is at equal distance from previous prime (2331191) and next prime (2331253).

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5029 + ... + 5472.

It is an arithmetic number, because the mean of its divisors is an integer number (299307).

2^2331222 is an apocalyptic number.

2331222 is an abundant number, since it is smaller than the sum of its proper divisors (2457690).

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

2331222 is a wasteful number, since it uses less digits than its factorization.

2331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10543.

The product of its digits is 144, while the sum is 15.

The square root of 2331222 is about 1526.8339791870. The cubic root of 2331222 is about 132.5952228759.

Adding to 2331222 its reverse (2221332), we get a palindrome (4552554).

The spelling of 2331222 in words is "two million, three hundred thirty-one thousand, two hundred twenty-two".