33228480 has 56 divisors (see below), whose sum is σ = 105503472. Its totient is φ = 8860672.

The previous prime is 33228463. The next prime is 33228499. The reversal of 33228480 is 8482233.

It is a super-2 number, since 2×33228480² = 2208263766220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16347 + ... + 18266.

Almost surely, 2^33228480 is an apocalyptic number.

33228480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33228480 is an abundant number, since it is smaller than the sum of its proper divisors (72274992).

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

33228480 is a wasteful number, since it uses less digits than its factorization.

33228480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34633 (or 34623 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 33228480 is about 5764.4149746527. The cubic root of 33228480 is about 321.4919911545.

The spelling of 33228480 in words is "thirty-three million, two hundred twenty-eight thousand, four hundred eighty".