30225700 has 72 divisors (see below), whose sum is σ = 68745600. Its totient is φ = 11525760.

The previous prime is 30225697. The next prime is 30225719. The reversal of 30225700 is 752203.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277246 + ... + 277354.

It is an arithmetic number, because the mean of its divisors is an integer number (954800).

Almost surely, 2^30225700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30225700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34372800).

30225700 is an abundant number, since it is smaller than the sum of its proper divisors (38519900).

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

30225700 is a wasteful number, since it uses less digits than its factorization.

30225700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 30225700 is about 5497.7904652688. The cubic root of 30225700 is about 311.5005294622.

Adding to 30225700 its reverse (752203), we get a palindrome (30977903).

The spelling of 30225700 in words is "thirty million, two hundred twenty-five thousand, seven hundred".