222423212 has 24 divisors (see below), whose sum is σ = 425621952. Its totient is φ = 100864400.

The previous prime is 222423167. The next prime is 222423221. The reversal of 222423212 is 212324222.

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 7 ways as a sum of consecutive naturals, for example, 13787 + ... + 25197.

It is an arithmetic number, because the mean of its divisors is an integer number (17734248).

Almost surely, 2^222423212 is an apocalyptic number.

222423212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222423212 is a deficient number, since it is larger than the sum of its proper divisors (203198740).

222423212 is a wasteful number, since it uses less digits than its factorization.

222423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11869 (or 11867 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 222423212 is about 14913.8597284539. The cubic root of 222423212 is about 605.8894205826.

Adding to 222423212 its reverse (212324222), we get a palindrome (434747434).

The spelling of 222423212 in words is "two hundred twenty-two million, four hundred twenty-three thousand, two hundred twelve".