23944228 has 72 divisors (see below), whose sum is σ = 55702080. Its totient is φ = 8747520.

The previous prime is 23944153. The next prime is 23944231. The reversal of 23944228 is 82244932.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 23944193 and 23944202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88878 + ... + 89146.

It is an arithmetic number, because the mean of its divisors is an integer number (773640).

Almost surely, 2^23944228 is an apocalyptic number.

23944228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23944228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27851040).

23944228 is an abundant number, since it is smaller than the sum of its proper divisors (31757852).

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

23944228 is a wasteful number, since it uses less digits than its factorization.

23944228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 306 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 23944228 is about 4893.2839688700. The cubic root of 23944228 is about 288.2263042529.

The spelling of 23944228 in words is "twenty-three million, nine hundred forty-four thousand, two hundred twenty-eight".