233331222 has 32 divisors (see below), whose sum is σ = 502226784. Its totient is φ = 72000000.

The previous prime is 233331221. The next prime is 233331223. The reversal of 233331222 is 222133332.

233331222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (233331221) and next prime (233331223).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233331221) 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, 12529 + ... + 24972.

It is an arithmetic number, because the mean of its divisors is an integer number (15694587).

Almost surely, 2^233331222 is an apocalyptic number.

233331222 is an abundant number, since it is smaller than the sum of its proper divisors (268895562).

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

233331222 is a wasteful number, since it uses less digits than its factorization.

233331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37584.

The product of its digits is 1296, while the sum is 21.

The square root of 233331222 is about 15275.1832067573. The cubic root of 233331222 is about 615.6363932615.

Adding to 233331222 its reverse (222133332), we get a palindrome (455464554).

The spelling of 233331222 in words is "two hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-two".