33243224 has 16 divisors (see below), whose sum is σ = 71235600. Its totient is φ = 14247072.

The previous prime is 33243209. The next prime is 33243229. The reversal of 33243224 is 42234233.

It is a super-2 number, since 2×33243224² = 2210223883828352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33243224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33243229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296759 + ... + 296870.

It is an arithmetic number, because the mean of its divisors is an integer number (4452225).

It is a self-describing number.

Almost surely, 2^33243224 is an apocalyptic number.

It is an amenable number.

33243224 is an abundant number, since it is smaller than the sum of its proper divisors (37992376).

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

33243224 is a wasteful number, since it uses less digits than its factorization.

33243224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593642 (or 593638 counting only the distinct ones).

The product of its digits is 3456, while the sum is 23.

The square root of 33243224 is about 5765.6937136827. The cubic root of 33243224 is about 321.5395344769.

Adding to 33243224 its reverse (42234233), we get a palindrome (75477457).

The spelling of 33243224 in words is "thirty-three million, two hundred forty-three thousand, two hundred twenty-four".