33402141 has 12 divisors (see below), whose sum is σ = 50345568. Its totient is φ = 21299784.

The previous prime is 33402139. The next prime is 33402191. The reversal of 33402141 is 14120433.

It is not a de Polignac number, because 33402141 - 2¹ = 33402139 is a prime.

It is a super-2 number, since 2×33402141² = 2231406046767762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33402121) 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 11 ways as a sum of consecutive naturals, for example, 80475 + ... + 80888.

It is an arithmetic number, because the mean of its divisors is an integer number (4195464).

Almost surely, 2^33402141 is an apocalyptic number.

It is an amenable number.

33402141 is a deficient number, since it is larger than the sum of its proper divisors (16943427).

33402141 is a wasteful number, since it uses less digits than its factorization.

33402141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161392 (or 161389 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 33402141 is about 5779.4585386522. The cubic root of 33402141 is about 322.0510862454.

Adding to 33402141 its reverse (14120433), we get a palindrome (47522574).

The spelling of 33402141 in words is "thirty-three million, four hundred two thousand, one hundred forty-one".