23162228 has 24 divisors (see below), whose sum is σ = 43348032. Its totient is φ = 10790784.

The previous prime is 23162203. The next prime is 23162257. The reversal of 23162228 is 82226132.

It is a junction number, because it is equal to n+sod(n) for n = 23162197 and 23162206.

It is a congruent number.

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, 5351 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (1806168).

Almost surely, 2^23162228 is an apocalyptic number.

It is an amenable number.

23162228 is a deficient number, since it is larger than the sum of its proper divisors (20185804).

23162228 is a wasteful number, since it uses less digits than its factorization.

23162228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431 (or 3429 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 23162228 is about 4812.7152419398. The cubic root of 23162228 is about 285.0537623005.

The spelling of 23162228 in words is "twenty-three million, one hundred sixty-two thousand, two hundred twenty-eight".