33216798 has 16 divisors (see below), whose sum is σ = 66502800. Its totient is φ = 11060736.

The previous prime is 33216797. The next prime is 33216811. The reversal of 33216798 is 89761233.

It is a super-2 number, since 2×33216798² = 2206711338745608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33216797) 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, 5028 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (4156425).

Almost surely, 2^33216798 is an apocalyptic number.

33216798 is an abundant number, since it is smaller than the sum of its proper divisors (33286002).

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

33216798 is a wasteful number, since it uses less digits than its factorization.

33216798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its digits is 54432, while the sum is 39.

The square root of 33216798 is about 5763.4015997499. The cubic root of 33216798 is about 321.4543115330.

The spelling of 33216798 in words is "thirty-three million, two hundred sixteen thousand, seven hundred ninety-eight".