30985224 has 32 divisors (see below), whose sum is σ = 80136000. Its totient is φ = 9972032.

The previous prime is 30985223. The next prime is 30985247. The reversal of 30985224 is 42258903.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30985223) 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, 21564 + ... + 22955.

It is an arithmetic number, because the mean of its divisors is an integer number (2504250).

Almost surely, 2^30985224 is an apocalyptic number.

It is an amenable number.

30985224 is an abundant number, since it is smaller than the sum of its proper divisors (49150776).

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

30985224 is a wasteful number, since it uses less digits than its factorization.

30985224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44557 (or 44553 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30985224 is about 5566.4372807030. The cubic root of 30985224 is about 314.0881465109.

The spelling of 30985224 in words is "thirty million, nine hundred eighty-five thousand, two hundred twenty-four".