33315028 has 12 divisors (see below), whose sum is σ = 59257492. Its totient is φ = 16384320.

The previous prime is 33314969. The next prime is 33315031. The reversal of 33315028 is 82051333.

It can be written as a sum of positive squares in 2 ways, for example, as 10771524 + 22543504 = 3282^2 + 4748^2 .

It is a super-2 number, since 2×33315028² = 2219782181281568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33314993 and 33315011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68025 + ... + 68512.

Almost surely, 2^33315028 is an apocalyptic number.

It is an amenable number.

33315028 is a deficient number, since it is larger than the sum of its proper divisors (25942464).

33315028 is a wasteful number, since it uses less digits than its factorization.

33315028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136602 (or 136600 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 33315028 is about 5771.9171858231. The cubic root of 33315028 is about 321.7708720645.

The spelling of 33315028 in words is "thirty-three million, three hundred fifteen thousand, twenty-eight".