30221032 has 32 divisors (see below), whose sum is σ = 58855680. Its totient is φ = 14532480.

The previous prime is 30221003. The next prime is 30221033. The reversal of 30221032 is 23012203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30221033) 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, 57523 + ... + 58045.

It is an arithmetic number, because the mean of its divisors is an integer number (1839240).

Almost surely, 2^30221032 is an apocalyptic number.

It is an amenable number.

30221032 is a deficient number, since it is larger than the sum of its proper divisors (28634648).

30221032 is a wasteful number, since it uses less digits than its factorization.

30221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30221032 is about 5497.3659146904. The cubic root of 30221032 is about 311.4844927856.

Adding to 30221032 its reverse (23012203), we get a palindrome (53233235).

The spelling of 30221032 in words is "thirty million, two hundred twenty-one thousand, thirty-two".