23102212 has 48 divisors (see below), whose sum is σ = 49916160. Its totient is φ = 9136512.

The previous prime is 23102141. The next prime is 23102213. The reversal of 23102212 is 21220132.

It is a junction number, because it is equal to n+sod(n) for n = 23102192 and 23102201.

It is not an unprimeable number, because it can be changed into a prime (23102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18058 + ... + 19294.

It is an arithmetic number, because the mean of its divisors is an integer number (1039920).

Almost surely, 2^23102212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24958080).

23102212 is an abundant number, since it is smaller than the sum of its proper divisors (26813948).

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

23102212 is a wasteful number, since it uses less digits than its factorization.

23102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23102212 is about 4806.4760480002. The cubic root of 23102212 is about 284.8073469731.

Adding to 23102212 its reverse (21220132), we get a palindrome (44322344).

The spelling of 23102212 in words is "twenty-three million, one hundred two thousand, two hundred twelve".