33381238 has 24 divisors (see below), whose sum is σ = 55349280. Its totient is φ = 15087600.

The previous prime is 33381223. The next prime is 33381241. The reversal of 33381238 is 83218333.

It is a super-2 number, since 2×33381238² = 2228614100825288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65328 + ... + 65836.

It is an arithmetic number, because the mean of its divisors is an integer number (2306220).

Almost surely, 2^33381238 is an apocalyptic number.

33381238 is a deficient number, since it is larger than the sum of its proper divisors (21968042).

33381238 is a wasteful number, since it uses less digits than its factorization.

33381238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 793 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 33381238 is about 5777.6498682423. The cubic root of 33381238 is about 321.9838925626.

The spelling of 33381238 in words is "thirty-three million, three hundred eighty-one thousand, two hundred thirty-eight".