33222412 has 12 divisors (see below), whose sum is σ = 61199320. Its totient is φ = 15736896.

The previous prime is 33222407. The next prime is 33222433. The reversal of 33222412 is 21422233.

It is a super-2 number, since 2×33222412² = 2207457318195488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 33222412.

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, 218493 + ... + 218644.

Almost surely, 2^33222412 is an apocalyptic number.

It is an amenable number.

33222412 is a deficient number, since it is larger than the sum of its proper divisors (27976908).

33222412 is a wasteful number, since it uses less digits than its factorization.

33222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437160 (or 437158 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 33222412 is about 5763.8886179384. Note that the first 3 decimals coincide. The cubic root of 33222412 is about 321.4724202707.

Adding to 33222412 its reverse (21422233), we get a palindrome (54644645).

The spelling of 33222412 in words is "thirty-three million, two hundred twenty-two thousand, four hundred twelve".