33222418 has 8 divisors (see below), whose sum is σ = 49899312. Its totient is φ = 16589316.

The previous prime is 33222407. The next prime is 33222433. The reversal of 33222418 is 81422233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33222418² = 2207458115533448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33222392 and 33222401.

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, 8980 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (6237414).

Almost surely, 2^33222418 is an apocalyptic number.

33222418 is a deficient number, since it is larger than the sum of its proper divisors (16676894).

33222418 is a wasteful number, since it uses less digits than its factorization.

33222418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21896.

The product of its digits is 2304, while the sum is 25.

The square root of 33222418 is about 5763.8891384203. The cubic root of 33222418 is about 321.4724396235.

The spelling of 33222418 in words is "thirty-three million, two hundred twenty-two thousand, four hundred eighteen".