33242223 has 8 divisors (see below), whose sum is σ = 50654848. Its totient is φ = 18995544.

The previous prime is 33242221. The next prime is 33242233. The reversal of 33242223 is 32224233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33242223 - 2¹ = 33242221 is a prime.

It is a super-2 number, since 2×33242223² = 2210090779963458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1582963 = 33242223 / (3 + 3 + 2 + 4 + 2 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33242223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33242221) 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, 791461 + ... + 791502.

It is an arithmetic number, because the mean of its divisors is an integer number (6331856).

Almost surely, 2^33242223 is an apocalyptic number.

33242223 is a deficient number, since it is larger than the sum of its proper divisors (17412625).

33242223 is a wasteful number, since it uses less digits than its factorization.

33242223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582973.

The product of its digits is 1728, while the sum is 21.

The square root of 33242223 is about 5765.6069064757. The cubic root of 33242223 is about 321.5363071094.

Adding to 33242223 its reverse (32224233), we get a palindrome (65466456).

The spelling of 33242223 in words is "thirty-three million, two hundred forty-two thousand, two hundred twenty-three".