30427228 has 24 divisors (see below), whose sum is σ = 57724352. Its totient is φ = 13950144.

The previous prime is 30427223. The next prime is 30427253. The reversal of 30427228 is 82272403.

It is a junction number, because it is equal to n+sod(n) for n = 30427196 and 30427205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30427223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6301 + ... + 10027.

Almost surely, 2^30427228 is an apocalyptic number.

It is an amenable number.

30427228 is a deficient number, since it is larger than the sum of its proper divisors (27297124).

30427228 is a wasteful number, since it uses less digits than its factorization.

30427228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 30427228 is about 5516.0881066205. The cubic root of 30427228 is about 312.1913000610.

The spelling of 30427228 in words is "thirty million, four hundred twenty-seven thousand, two hundred twenty-eight".