33222212 has 12 divisors (see below), whose sum is σ = 60666816. Its totient is φ = 15888840.

The previous prime is 33222191. The next prime is 33222223. The reversal of 33222212 is 21222233.

It is a super-2 number, since 2×33222212² = 2207430740345888, 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, 180464 + ... + 180647.

It is an arithmetic number, because the mean of its divisors is an integer number (5055568).

Almost surely, 2^33222212 is an apocalyptic number.

It is an amenable number.

33222212 is a deficient number, since it is larger than the sum of its proper divisors (27444604).

33222212 is a wasteful number, since it uses less digits than its factorization.

33222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361138 (or 361136 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 33222212 is about 5763.8712685139. The cubic root of 33222212 is about 321.4717751780.

Adding to 33222212 its reverse (21222233), we get a palindrome (54444445).

The spelling of 33222212 in words is "thirty-three million, two hundred twenty-two thousand, two hundred twelve".