30225866 has 32 divisors (see below), whose sum is σ = 50996736. Its totient is φ = 13320000.

The previous prime is 30225851. The next prime is 30225883. The reversal of 30225866 is 66852203.

It is a super-3 number, since 3×30225866³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135431 + ... + 135653.

It is an arithmetic number, because the mean of its divisors is an integer number (1593648).

Almost surely, 2^30225866 is an apocalyptic number.

30225866 is a deficient number, since it is larger than the sum of its proper divisors (20770870).

30225866 is a wasteful number, since it uses less digits than its factorization.

30225866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 30225866 is about 5497.8055622221. The cubic root of 30225866 is about 311.5010997164.

It can be divided in two parts, 3022 and 5866, that added together give a palindrome (8888).

The spelling of 30225866 in words is "thirty million, two hundred twenty-five thousand, eight hundred sixty-six".