30675228 has 24 divisors (see below), whose sum is σ = 72008832. Its totient is φ = 10163184.

The previous prime is 30675209. The next prime is 30675251. The reversal of 30675228 is 82257603.

It is a super-2 number, since 2×30675228² = 1881939225703968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5650 + ... + 9657.

It is an arithmetic number, because the mean of its divisors is an integer number (3000368).

Almost surely, 2^30675228 is an apocalyptic number.

It is an amenable number.

30675228 is an abundant number, since it is smaller than the sum of its proper divisors (41333604).

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

30675228 is a wasteful number, since it uses less digits than its factorization.

30675228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15481 (or 15479 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 30675228 is about 5538.5221855654. The cubic root of 30675228 is about 313.0371876185.

It can be divided in two parts, 30675 and 228, that added together give a palindrome (30903).

The spelling of 30675228 in words is "thirty million, six hundred seventy-five thousand, two hundred twenty-eight".