33422243 has 4 divisors (see below), whose sum is σ = 34875408. Its totient is φ = 31969080.

The previous prime is 33422231. The next prime is 33422251. The reversal of 33422243 is 34222433.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 33422243 - 2⁴ = 33422227 is a prime.

It is a super-2 number, since 2×33422243² = 2234092654302098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1453141 = 33422243 / (3 + 3 + 4 + 2 + 2 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33422203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726548 + ... + 726593.

It is an arithmetic number, because the mean of its divisors is an integer number (8718852).

Almost surely, 2^33422243 is an apocalyptic number.

33422243 is a deficient number, since it is larger than the sum of its proper divisors (1453165).

33422243 is a wasteful number, since it uses less digits than its factorization.

33422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453164.

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

The square root of 33422243 is about 5781.1973673280. The cubic root of 33422243 is about 322.1156786385.

Adding to 33422243 its reverse (34222433), we get a palindrome (67644676).

The spelling of 33422243 in words is "thirty-three million, four hundred twenty-two thousand, two hundred forty-three".