33213394 has 8 divisors (see below), whose sum is σ = 50502780. Its totient is φ = 16379136.

The previous prime is 33213379. The next prime is 33213413. The reversal of 33213394 is 49331233.

It can be written as a sum of positive squares in 2 ways, for example, as 33212169 + 1225 = 5763^2 + 35^2 .

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

It is a super-2 number, since 2×33213394² = 2206259081998472, 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, 113599 + ... + 113890.

Almost surely, 2^33213394 is an apocalyptic number.

33213394 is a deficient number, since it is larger than the sum of its proper divisors (17289386).

33213394 is a wasteful number, since it uses less digits than its factorization.

33213394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227564.

The product of its digits is 5832, while the sum is 28.

The square root of 33213394 is about 5763.1062804706. The cubic root of 33213394 is about 321.4433304640.

The spelling of 33213394 in words is "thirty-three million, two hundred thirteen thousand, three hundred ninety-four".