33321412 has 6 divisors (see below), whose sum is σ = 58312478. Its totient is φ = 16660704.

The previous prime is 33321403. The next prime is 33321413. The reversal of 33321412 is 21412333.

It can be written as a sum of positive squares in only one way, i.e., 29224836 + 4096576 = 5406^2 + 2024^2 .

It is a super-2 number, since 2×33321412² = 2220632995347488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33321412.

It is not an unprimeable number, because it can be changed into a prime (33321413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4165173 + ... + 4165180.

Almost surely, 2^33321412 is an apocalyptic number.

It is an amenable number.

33321412 is a deficient number, since it is larger than the sum of its proper divisors (24991066).

33321412 is a wasteful number, since it uses less digits than its factorization.

33321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330357 (or 8330355 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 33321412 is about 5772.4701818199. The cubic root of 33321412 is about 321.7914238912.

Adding to 33321412 its reverse (21412333), we get a palindrome (54733745).

It can be divided in two parts, 33321 and 412, that added together give a palindrome (33733).

The spelling of 33321412 in words is "thirty-three million, three hundred twenty-one thousand, four hundred twelve".