33998422 has 4 divisors (see below), whose sum is σ = 50997636. Its totient is φ = 16999210.

The previous prime is 33998417. The next prime is 33998441. The reversal of 33998422 is 22489933.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8499604 + ... + 8499607.

It is an arithmetic number, because the mean of its divisors is an integer number (12749409).

Almost surely, 2^33998422 is an apocalyptic number.

33998422 is a deficient number, since it is larger than the sum of its proper divisors (16999214).

33998422 is a wasteful number, since it uses less digits than its factorization.

33998422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999213.

The product of its digits is 93312, while the sum is 40.

The square root of 33998422 is about 5830.8165808916. The cubic root of 33998422 is about 323.9561681802.

The spelling of 33998422 in words is "thirty-three million, nine hundred ninety-eight thousand, four hundred twenty-two".