33381044 has 12 divisors (see below), whose sum is σ = 58695168. Its totient is φ = 16611000.

The previous prime is 33381041. The next prime is 33381071. The reversal of 33381044 is 44018333.

It is a super-2 number, since 2×33381044² = 2228588197059872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33381041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18932 + ... + 20619.

It is an arithmetic number, because the mean of its divisors is an integer number (4891264).

Almost surely, 2^33381044 is an apocalyptic number.

It is an amenable number.

33381044 is a deficient number, since it is larger than the sum of its proper divisors (25314124).

33381044 is a wasteful number, since it uses less digits than its factorization.

33381044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39766 (or 39764 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 33381044 is about 5777.6330793847. The cubic root of 33381044 is about 321.9832688090.

Adding to 33381044 its reverse (44018333), we get a palindrome (77399377).

The spelling of 33381044 in words is "thirty-three million, three hundred eighty-one thousand, forty-four".