33922216 has 8 divisors (see below), whose sum is σ = 63604170. Its totient is φ = 16961104.

The previous prime is 33922193. The next prime is 33922219. The reversal of 33922216 is 61222933.

It can be written as a sum of positive squares in only one way, i.e., 31877316 + 2044900 = 5646^2 + 1430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (33922219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120131 + ... + 2120146.

Almost surely, 2^33922216 is an apocalyptic number.

It is an amenable number.

33922216 is a deficient number, since it is larger than the sum of its proper divisors (29681954).

33922216 is a wasteful number, since it uses less digits than its factorization.

33922216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240283 (or 4240279 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 33922216 is about 5824.2781526984. The cubic root of 33922216 is about 323.7139425066.

The spelling of 33922216 in words is "thirty-three million, nine hundred twenty-two thousand, two hundred sixteen".