33352225 has 12 divisors (see below), whose sum is σ = 41453820. Its totient is φ = 26619200.

The previous prime is 33352223. The next prime is 33352237. The reversal of 33352225 is 52225333.

It can be written as a sum of positive squares in 6 ways, for example, as 1361889 + 31990336 = 1167^2 + 5656^2 .

It is not a de Polignac number, because 33352225 - 2¹ = 33352223 is a prime.

It is a super-2 number, since 2×33352225² = 2224741824901250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 33352225.

It is not an unprimeable number, because it can be changed into a prime (33352223) 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, 11415 + ... + 14035.

It is an arithmetic number, because the mean of its divisors is an integer number (3454485).

Almost surely, 2^33352225 is an apocalyptic number.

It is an amenable number.

33352225 is a deficient number, since it is larger than the sum of its proper divisors (8101595).

33352225 is a wasteful number, since it uses less digits than its factorization.

33352225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140 (or 3135 counting only the distinct ones).

The product of its digits is 5400, while the sum is 25.

The square root of 33352225 is about 5775.1385264771. The cubic root of 33352225 is about 321.8905823983.

Adding to 33352225 its reverse (52225333), we get a palindrome (85577558).

The spelling of 33352225 in words is "thirty-three million, three hundred fifty-two thousand, two hundred twenty-five".