33428210 has 8 divisors (see below), whose sum is σ = 60170796. Its totient is φ = 13371280.

The previous prime is 33428189. The next prime is 33428251. The reversal of 33428210 is 1282433.

It can be written as a sum of positive squares in 2 ways, for example, as 30991489 + 2436721 = 5567^2 + 1561^2 .

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

It is a super-2 number, since 2×33428210² = 2234890447608200, which contains 22 as substring.

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, 1671401 + ... + 1671420.

Almost surely, 2^33428210 is an apocalyptic number.

33428210 is a deficient number, since it is larger than the sum of its proper divisors (26742586).

33428210 is a wasteful number, since it uses less digits than its factorization.

33428210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342828.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 33428210 is about 5781.7134138593. The cubic root of 33428210 is about 322.1348470098.

The spelling of 33428210 in words is "thirty-three million, four hundred twenty-eight thousand, two hundred ten".