33353442 has 12 divisors (see below), whose sum is σ = 72265830. Its totient is φ = 11117808.

The previous prime is 33353431. The next prime is 33353443. The reversal of 33353442 is 24435333.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24117921 + 9235521 = 4911^2 + 3039^2 .

It is a super-2 number, since 2×33353442² = 2224904186494728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33353443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 926467 + ... + 926502.

Almost surely, 2^33353442 is an apocalyptic number.

33353442 is an abundant number, since it is smaller than the sum of its proper divisors (38912388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33353442 is a wasteful number, since it uses less digits than its factorization.

33353442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852977 (or 1852974 counting only the distinct ones).

The product of its digits is 12960, while the sum is 27.

The square root of 33353442 is about 5775.2438909539. The cubic root of 33353442 is about 321.8944975401.

Adding to 33353442 its reverse (24435333), we get a palindrome (57788775).

The spelling of 33353442 in words is "thirty-three million, three hundred fifty-three thousand, four hundred forty-two".