23474228 has 6 divisors (see below), whose sum is σ = 41079906. Its totient is φ = 11737112.

The previous prime is 23474221. The next prime is 23474267. The reversal of 23474228 is 82247432.

It can be written as a sum of positive squares in only one way, i.e., 22771984 + 702244 = 4772^2 + 838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23474194 and 23474203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23474221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2934275 + ... + 2934282.

It is an arithmetic number, because the mean of its divisors is an integer number (6846651).

Almost surely, 2^23474228 is an apocalyptic number.

It is an amenable number.

23474228 is a deficient number, since it is larger than the sum of its proper divisors (17605678).

23474228 is a wasteful number, since it uses less digits than its factorization.

23474228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868561 (or 5868559 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 23474228 is about 4845.0209493871. The cubic root of 23474228 is about 286.3279690737.

The spelling of 23474228 in words is "twenty-three million, four hundred seventy-four thousand, two hundred twenty-eight".