33744228 has 48 divisors (see below), whose sum is σ = 94725120. Its totient is φ = 9133344.

The previous prime is 33744223. The next prime is 33744229. The reversal of 33744228 is 82244733.

It is a super-2 number, since 2×33744228² = 2277345846631968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (33744223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8976 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (1973440).

Almost surely, 2^33744228 is an apocalyptic number.

33744228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

33744228 is an abundant number, since it is smaller than the sum of its proper divisors (60980892).

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

33744228 is a wasteful number, since it uses less digits than its factorization.

33744228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176 (or 21174 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 33744228 is about 5808.9782234056. The cubic root of 33744228 is about 323.1467796440.

The spelling of 33744228 in words is "thirty-three million, seven hundred forty-four thousand, two hundred twenty-eight".