30222800 has 30 divisors (see below), whose sum is σ = 72611238. Its totient is φ = 12088960.

The previous prime is 30222791. The next prime is 30222811. The reversal of 30222800 is 822203.

It can be written as a sum of positive squares in 3 ways, for example, as 6330256 + 23892544 = 2516^2 + 4888^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37379 + ... + 38178.

Almost surely, 2^30222800 is an apocalyptic number.

It is an amenable number.

30222800 is an abundant number, since it is smaller than the sum of its proper divisors (42388438).

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

30222800 is a wasteful number, since it uses less digits than its factorization.

30222800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75575 (or 75564 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 30222800 is about 5497.5267166245. The cubic root of 30222800 is about 311.4905668540.

The spelling of 30222800 in words is "thirty million, two hundred twenty-two thousand, eight hundred".