33017228 has 6 divisors (see below), whose sum is σ = 57780156. Its totient is φ = 16508612.

The previous prime is 33017227. The next prime is 33017239. The reversal of 33017228 is 82271033.

It is a junction number, because it is equal to n+sod(n) for n = 33017197 and 33017206.

It is not an unprimeable number, because it can be changed into a prime (33017221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127150 + ... + 4127157.

It is an arithmetic number, because the mean of its divisors is an integer number (9630026).

Almost surely, 2^33017228 is an apocalyptic number.

It is an amenable number.

33017228 is a deficient number, since it is larger than the sum of its proper divisors (24762928).

33017228 is a wasteful number, since it uses less digits than its factorization.

33017228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254311 (or 8254309 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 33017228 is about 5746.0619558094. The cubic root of 33017228 is about 320.8092408662.

The spelling of 33017228 in words is "thirty-three million, seventeen thousand, two hundred twenty-eight".