33333225 has 12 divisors (see below), whose sum is σ = 55111056. Its totient is φ = 17777680.

The previous prime is 33333217. The next prime is 33333241. The reversal of 33333225 is 52233333.

It is not a de Polignac number, because 33333225 - 2³ = 33333217 is a prime.

It is a super-2 number, since 2×33333225² = 2222207777801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33333195 and 33333204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222147 + ... + 222296.

It is an arithmetic number, because the mean of its divisors is an integer number (4592588).

Almost surely, 2^33333225 is an apocalyptic number.

It is an amenable number.

33333225 is a deficient number, since it is larger than the sum of its proper divisors (21777831).

33333225 is a wasteful number, since it uses less digits than its factorization.

33333225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444456 (or 444451 counting only the distinct ones).

The product of its digits is 4860, while the sum is 24.

The square root of 33333225 is about 5773.4933099468. The cubic root of 33333225 is about 321.8294462192.

Adding to 33333225 its reverse (52233333), we get a palindrome (85566558).

The spelling of 33333225 in words is "thirty-three million, three hundred thirty-three thousand, two hundred twenty-five".