223040228 has 6 divisors (see below), whose sum is σ = 390320406. Its totient is φ = 111520112.

The previous prime is 223040227. The next prime is 223040243. The reversal of 223040228 is 822040322.

223040228 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 221652544 + 1387684 = 14888^2 + 1178^2 .

It is not an unprimeable number, because it can be changed into a prime (223040227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27880025 + ... + 27880032.

It is an arithmetic number, because the mean of its divisors is an integer number (65053401).

Almost surely, 2^223040228 is an apocalyptic number.

It is an amenable number.

223040228 is a deficient number, since it is larger than the sum of its proper divisors (167280178).

223040228 is a wasteful number, since it uses less digits than its factorization.

223040228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55760061 (or 55760059 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 223040228 is about 14934.5313953937. The cubic root of 223040228 is about 606.4491617875.

The spelling of 223040228 in words is "two hundred twenty-three million, forty thousand, two hundred twenty-eight".