23774228 has 24 divisors (see below), whose sum is σ = 44232552. Its totient is φ = 11142144.

The previous prime is 23774221. The next prime is 23774237. The reversal of 23774228 is 82247732.

It can be written as a sum of positive squares in 4 ways, for example, as 232324 + 23541904 = 482^2 + 4852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23774221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20726 + ... + 21842.

It is an arithmetic number, because the mean of its divisors is an integer number (1843023).

Almost surely, 2^23774228 is an apocalyptic number.

It is an amenable number.

23774228 is a deficient number, since it is larger than the sum of its proper divisors (20458324).

23774228 is a wasteful number, since it uses less digits than its factorization.

23774228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451 (or 1449 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 23774228 is about 4875.8822791368. The cubic root of 23774228 is about 287.5425640825.

The spelling of 23774228 in words is "twenty-three million, seven hundred seventy-four thousand, two hundred twenty-eight".