23206228 has 18 divisors (see below), whose sum is σ = 41970138. Its totient is φ = 11226960.

The previous prime is 23206213. The next prime is 23206237. The reversal of 23206228 is 82260232.

It can be written as a sum of positive squares in only one way, i.e., 16744464 + 6461764 = 4092^2 + 2542^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 826 + ... + 6862.

Almost surely, 2^23206228 is an apocalyptic number.

It is an amenable number.

23206228 is a deficient number, since it is larger than the sum of its proper divisors (18763910).

23206228 is a wasteful number, since it uses less digits than its factorization.

23206228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103 (or 6070 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 23206228 is about 4817.2842971948. The cubic root of 23206228 is about 285.2341484001.

The spelling of 23206228 in words is "twenty-three million, two hundred six thousand, two hundred twenty-eight".