33234220 has 24 divisors (see below), whose sum is σ = 69917904. Its totient is φ = 13269696.

The previous prime is 33234193. The next prime is 33234221. The reversal of 33234220 is 2243233.

It is a super-2 number, since 2×33234220² = 2209026758016800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33234221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13527 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (2913246).

Almost surely, 2^33234220 is an apocalyptic number.

It is an amenable number.

33234220 is an abundant number, since it is smaller than the sum of its proper divisors (36683684).

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

33234220 is a wasteful number, since it uses less digits than its factorization.

33234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 33234220 is about 5764.9128354208. The cubic root of 33234220 is about 321.5105019599.

Adding to 33234220 its reverse (2243233), we get a palindrome (35477453).

The spelling of 33234220 in words is "thirty-three million, two hundred thirty-four thousand, two hundred twenty".