23112212 has 6 divisors (see below), whose sum is σ = 40446378. Its totient is φ = 11556104.

The previous prime is 23112209. The next prime is 23112239. The reversal of 23112212 is 21221132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20666116 + 2446096 = 4546^2 + 1564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889023 + ... + 2889030.

It is an arithmetic number, because the mean of its divisors is an integer number (6741063).

Almost surely, 2^23112212 is an apocalyptic number.

It is an amenable number.

23112212 is a deficient number, since it is larger than the sum of its proper divisors (17334166).

23112212 is a wasteful number, since it uses less digits than its factorization.

23112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778057 (or 5778055 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 23112212 is about 4807.5161986207. The cubic root of 23112212 is about 284.8484348514.

Adding to 23112212 its reverse (21221132), we get a palindrome (44333344).

The spelling of 23112212 in words is "twenty-three million, one hundred twelve thousand, two hundred twelve".