33365225 has 12 divisors (see below), whose sum is σ = 42800460. Its totient is φ = 25771200.

The previous prime is 33365221. The next prime is 33365251. The reversal of 33365225 is 52256333.

It can be written as a sum of positive squares in 6 ways, for example, as 1227664 + 32137561 = 1108^2 + 5669^2 .

It is not a de Polignac number, because 33365225 - 2² = 33365221 is a prime.

It is a super-2 number, since 2×33365225² = 2226476478601250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (33365221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22286 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (3566705).

Almost surely, 2^33365225 is an apocalyptic number.

It is an amenable number.

33365225 is a deficient number, since it is larger than the sum of its proper divisors (9435235).

33365225 is a wasteful number, since it uses less digits than its factorization.

33365225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46060 (or 46055 counting only the distinct ones).

The product of its digits is 16200, while the sum is 29.

The square root of 33365225 is about 5776.2639309505. The cubic root of 33365225 is about 321.9323990387.

The spelling of 33365225 in words is "thirty-three million, three hundred sixty-five thousand, two hundred twenty-five".