33225155 has 8 divisors (see below), whose sum is σ = 41245200. Its totient is φ = 25663456.

The previous prime is 33225139. The next prime is 33225161. The reversal of 33225155 is 55152233.

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 33225155 - 2⁴ = 33225139 is a prime.

It is a super-2 number, since 2×33225155² = 2207821849548050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114425 + ... + 114714.

It is an arithmetic number, because the mean of its divisors is an integer number (5155650).

Almost surely, 2^33225155 is an apocalyptic number.

33225155 is a deficient number, since it is larger than the sum of its proper divisors (8020045).

33225155 is a wasteful number, since it uses less digits than its factorization.

33225155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229173.

The product of its digits is 4500, while the sum is 26.

The square root of 33225155 is about 5764.1265600262. The cubic root of 33225155 is about 321.4812674568.

Adding to 33225155 its reverse (55152233), we get a palindrome (88377388).

The spelling of 33225155 in words is "thirty-three million, two hundred twenty-five thousand, one hundred fifty-five".