33500222 has 12 divisors (see below), whose sum is σ = 58454640. Its totient is φ = 14357196.

The previous prime is 33500221. The next prime is 33500231. The reversal of 33500222 is 22200533.

It is a super-2 number, since 2×33500222² = 2244529748098568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33500222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33500221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170822 + ... + 171017.

It is an arithmetic number, because the mean of its divisors is an integer number (4871220).

Almost surely, 2^33500222 is an apocalyptic number.

33500222 is a deficient number, since it is larger than the sum of its proper divisors (24954418).

33500222 is a wasteful number, since it uses less digits than its factorization.

33500222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341855 (or 341848 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 33500222 is about 5787.9376292424. The cubic root of 33500222 is about 322.3659984523.

Adding to 33500222 its reverse (22200533), we get a palindrome (55700755).

The spelling of 33500222 in words is "thirty-three million, five hundred thousand, two hundred twenty-two".