23228416 has 52 divisors (see below), whose sum is σ = 47769912. Its totient is φ = 11288576.

The previous prime is 23228383. The next prime is 23228437. The reversal of 23228416 is 61482232.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 217035 + ... + 217141.

Almost surely, 2^23228416 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 23228416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23884956).

23228416 is an abundant number, since it is smaller than the sum of its proper divisors (24541496).

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

23228416 is an equidigital number, since it uses as much as digits as its factorization.

23228416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 162 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 23228416 is about 4819.5867042725. The cubic root of 23228416 is about 285.3250257187.

The spelling of 23228416 in words is "twenty-three million, two hundred twenty-eight thousand, four hundred sixteen".