33427223 has 4 divisors (see below), whose sum is σ = 33475080. Its totient is φ = 33379368.

The previous prime is 33427201. The next prime is 33427231. The reversal of 33427223 is 32272433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32272433 = 683 ⋅47251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33427223 is a prime.

It is a super-2 number, since 2×33427223² = 2234758474983458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33427192 and 33427201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33427283) 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, 22865 + ... + 24282.

It is an arithmetic number, because the mean of its divisors is an integer number (8368770).

Almost surely, 2^33427223 is an apocalyptic number.

33427223 is a deficient number, since it is larger than the sum of its proper divisors (47857).

33427223 is an equidigital number, since it uses as much as digits as its factorization.

33427223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47856.

The product of its digits is 6048, while the sum is 26.

The square root of 33427223 is about 5781.6280579089. The cubic root of 33427223 is about 322.1316765317.

Adding to 33427223 its reverse (32272433), we get a palindrome (65699656).

The spelling of 33427223 in words is "thirty-three million, four hundred twenty-seven thousand, two hundred twenty-three".