33238722 has 32 divisors (see below), whose sum is σ = 72797760. Its totient is φ = 10033920.

The previous prime is 33238693. The next prime is 33238739. The reversal of 33238722 is 22783233.

It is a super-2 number, since 2×33238722² = 2209625280386568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 33238722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19854 + ... + 21462.

It is an arithmetic number, because the mean of its divisors is an integer number (2274930).

Almost surely, 2^33238722 is an apocalyptic number.

33238722 is an abundant number, since it is smaller than the sum of its proper divisors (39559038).

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

33238722 is a wasteful number, since it uses less digits than its factorization.

33238722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its digits is 12096, while the sum is 30.

The square root of 33238722 is about 5765.3032877725. The cubic root of 33238722 is about 321.5250188738.

The spelling of 33238722 in words is "thirty-three million, two hundred thirty-eight thousand, seven hundred twenty-two".