33228943 has 8 divisors (see below), whose sum is σ = 36747216. Its totient is φ = 29793600.

The previous prime is 33228917. The next prime is 33228947. The reversal of 33228943 is 34982233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33228943 - 2⁵ = 33228911 is a prime.

It is a super-2 number, since 2×33228943² = 2208325305794498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33228899 and 33228908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33228947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19888 + ... + 21493.

It is an arithmetic number, because the mean of its divisors is an integer number (4593402).

Almost surely, 2^33228943 is an apocalyptic number.

33228943 is a deficient number, since it is larger than the sum of its proper divisors (3518273).

33228943 is a wasteful number, since it uses less digits than its factorization.

33228943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41465.

The product of its digits is 31104, while the sum is 34.

The square root of 33228943 is about 5764.4551347027. The cubic root of 33228943 is about 321.4934843525.

The spelling of 33228943 in words is "thirty-three million, two hundred twenty-eight thousand, nine hundred forty-three".