33942229 has 4 divisors (see below), whose sum is σ = 34051680. Its totient is φ = 33832780.

The previous prime is 33942221. The next prime is 33942239. The reversal of 33942229 is 92224933.

It is a happy number.

33942229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92224933 = 1049 ⋅87917.

It is a cyclic number.

It is not a de Polignac number, because 33942229 - 2³ = 33942221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33942194 and 33942203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33942221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54259 + ... + 54880.

It is an arithmetic number, because the mean of its divisors is an integer number (8512920).

Almost surely, 2^33942229 is an apocalyptic number.

It is an amenable number.

33942229 is a deficient number, since it is larger than the sum of its proper divisors (109451).

33942229 is a wasteful number, since it uses less digits than its factorization.

33942229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109450.

The product of its digits is 23328, while the sum is 34.

The square root of 33942229 is about 5825.9959663563. The cubic root of 33942229 is about 323.7775902109. Note that the first 3 decimals are identical.

The spelling of 33942229 in words is "thirty-three million, nine hundred forty-two thousand, two hundred twenty-nine".