33424223 has 12 divisors (see below), whose sum is σ = 39465432. Its totient is φ = 28218960.

The previous prime is 33424213. The next prime is 33424229. The reversal of 33424223 is 32242433.

It is not a de Polignac number, because 33424223 - 2⁴ = 33424207 is a prime.

It is a super-2 number, since 2×33424223² = 2234357366307458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33424229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1808 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (3288786).

Almost surely, 2^33424223 is an apocalyptic number.

33424223 is a deficient number, since it is larger than the sum of its proper divisors (6041209).

33424223 is a wasteful number, since it uses less digits than its factorization.

33424223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262 (or 10255 counting only the distinct ones).

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

The square root of 33424223 is about 5781.3686095941. The cubic root of 33424223 is about 322.1220394369.

Adding to 33424223 its reverse (32242433), we get a palindrome (65666656).

The spelling of 33424223 in words is "thirty-three million, four hundred twenty-four thousand, two hundred twenty-three".