33228894 has 8 divisors (see below), whose sum is σ = 66457800. Its totient is φ = 11076296.

The previous prime is 33228889. The next prime is 33228907. The reversal of 33228894 is 49882233.

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

33228894 is an admirable number.

It is a super-2 number, since 2×33228894² = 2208318792926472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769069 + ... + 2769080.

It is an arithmetic number, because the mean of its divisors is an integer number (8307225).

Almost surely, 2^33228894 is an apocalyptic number.

33228894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33228894 is a wasteful number, since it uses less digits than its factorization.

33228894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538154.

The product of its digits is 82944, while the sum is 39.

The square root of 33228894 is about 5764.4508845162. The cubic root of 33228894 is about 321.4933263258.

The spelling of 33228894 in words is "thirty-three million, two hundred twenty-eight thousand, eight hundred ninety-four".