33192228 has 48 divisors (see below), whose sum is σ = 82434240. Its totient is φ = 10394752.

The previous prime is 33192217. The next prime is 33192239. The reversal of 33192228 is 82229133.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33192217) and next prime (33192239).

It is a super-2 number, since 2×33192228² = 2203447999207968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33192195 and 33192204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58675 + ... + 59237.

It is an arithmetic number, because the mean of its divisors is an integer number (1717380).

Almost surely, 2^33192228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33192228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41217120).

33192228 is an abundant number, since it is smaller than the sum of its proper divisors (49242012).

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

33192228 is a wasteful number, since it uses less digits than its factorization.

33192228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 585 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 33192228 is about 5761.2696517348. The cubic root of 33192228 is about 321.3750335664.

The spelling of 33192228 in words is "thirty-three million, one hundred ninety-two thousand, two hundred twenty-eight".