33522230 has 32 divisors (see below), whose sum is σ = 69685056. Its totient is φ = 11372544.

The previous prime is 33522211. The next prime is 33522239. The reversal of 33522230 is 3222533.

It is a super-2 number, since 2×33522230² = 2247479808345800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33522239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4322 + ... + 9258.

It is an arithmetic number, because the mean of its divisors is an integer number (2177658).

Almost surely, 2^33522230 is an apocalyptic number.

33522230 is an abundant number, since it is smaller than the sum of its proper divisors (36162826).

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

33522230 is a wasteful number, since it uses less digits than its factorization.

33522230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 33522230 is about 5789.8385124285. The cubic root of 33522230 is about 322.4365758736.

Adding to 33522230 its reverse (3222533), we get a palindrome (36744763).

The spelling of 33522230 in words is "thirty-three million, five hundred twenty-two thousand, two hundred thirty".