30695228 has 12 divisors (see below), whose sum is σ = 53999232. Its totient is φ = 15266880.

The previous prime is 30695221. The next prime is 30695233. The reversal of 30695228 is 82259603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30695221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19325 + ... + 20852.

It is an arithmetic number, because the mean of its divisors is an integer number (4499936).

Almost surely, 2^30695228 is an apocalyptic number.

It is an amenable number.

30695228 is a deficient number, since it is larger than the sum of its proper divisors (23304004).

30695228 is a wasteful number, since it uses less digits than its factorization.

30695228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40372 (or 40370 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30695228 is about 5540.3274271472. The cubic root of 30695228 is about 313.1052054079.

The spelling of 30695228 in words is "thirty million, six hundred ninety-five thousand, two hundred twenty-eight".