30302228 has 36 divisors (see below), whose sum is σ = 61478592. Its totient is φ = 12958080.

The previous prime is 30302219. The next prime is 30302249. The reversal of 30302228 is 82220303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11525 + ... + 13907.

Almost surely, 2^30302228 is an apocalyptic number.

It is an amenable number.

30302228 is an abundant number, since it is smaller than the sum of its proper divisors (31176364).

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

30302228 is a wasteful number, since it uses less digits than its factorization.

30302228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30302228 is about 5504.7459523578. The cubic root of 30302228 is about 311.7632024191.

The spelling of 30302228 in words is "thirty million, three hundred two thousand, two hundred twenty-eight".