33225100 has 18 divisors (see below), whose sum is σ = 72098684. Its totient is φ = 13290000.

The previous prime is 33225043. The next prime is 33225107. The reversal of 33225100 is 152233.

It is a super-2 number, since 2×33225100² = 2207814540020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33225107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166026 + ... + 166225.

Almost surely, 2^33225100 is an apocalyptic number.

It is an amenable number.

33225100 is an abundant number, since it is smaller than the sum of its proper divisors (38873584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33225100 is a wasteful number, since it uses less digits than its factorization.

33225100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332265 (or 332258 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 33225100 is about 5764.1217891367. The cubic root of 33225100 is about 321.4810900663.

Adding to 33225100 its reverse (152233), we get a palindrome (33377333).

The spelling of 33225100 in words is "thirty-three million, two hundred twenty-five thousand, one hundred".