33222522 has 32 divisors (see below), whose sum is σ = 72263232. Its totient is φ = 10139904.

The previous prime is 33222499. The next prime is 33222523. The reversal of 33222522 is 22522233.

It is a super-2 number, since 2×33222522² = 2207471936080968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33222523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628 + ... + 8175.

It is an arithmetic number, because the mean of its divisors is an integer number (2258226).

Almost surely, 2^33222522 is an apocalyptic number.

33222522 is an abundant number, since it is smaller than the sum of its proper divisors (39040710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33222522 is a wasteful number, since it uses less digits than its factorization.

33222522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862.

The product of its digits is 1440, while the sum is 21.

The square root of 33222522 is about 5763.8981600996. The cubic root of 33222522 is about 321.4727750706.

Adding to 33222522 its reverse (22522233), we get a palindrome (55744755).

The spelling of 33222522 in words is "thirty-three million, two hundred twenty-two thousand, five hundred twenty-two".