33313442 has 8 divisors (see below), whose sum is σ = 50789532. Its totient is φ = 16383600.

The previous prime is 33313439. The next prime is 33313463. The reversal of 33313442 is 24431333.

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 13608721 = 4439^2 + 3689^2 .

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

It is a super-2 number, since 2×33313442² = 2219570835774728, which contains 22 as substring.

It is an unprimeable number.

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, 136409 + ... + 136652.

Almost surely, 2^33313442 is an apocalyptic number.

33313442 is a deficient number, since it is larger than the sum of its proper divisors (17476090).

33313442 is a wasteful number, since it uses less digits than its factorization.

33313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273124.

The product of its digits is 2592, while the sum is 23.

The square root of 33313442 is about 5771.7797948293. The cubic root of 33313442 is about 321.7657658934.

Adding to 33313442 its reverse (24431333), we get a palindrome (57744775).

The spelling of 33313442 in words is "thirty-three million, three hundred thirteen thousand, four hundred forty-two".