33225313 has 8 divisors (see below), whose sum is σ = 36620640. Its totient is φ = 29892480.

The previous prime is 33225307. The next prime is 33225323. The reversal of 33225313 is 31352233.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33225313 - 2²¹ = 31128161 is a prime.

It is a super-2 number, since 2×33225313² = 2207842847895938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33225323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14503 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (4577580).

Almost surely, 2^33225313 is an apocalyptic number.

It is an amenable number.

33225313 is a deficient number, since it is larger than the sum of its proper divisors (3395327).

33225313 is a wasteful number, since it uses less digits than its factorization.

33225313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31247.

The product of its digits is 1620, while the sum is 22.

The square root of 33225313 is about 5764.1402654689. The cubic root of 33225313 is about 321.4817770502.

Adding to 33225313 its reverse (31352233), we get a palindrome (64577546).

Subtracting from 33225313 its reverse (31352233), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 33225313 in words is "thirty-three million, two hundred twenty-five thousand, three hundred thirteen".