30221116 has 12 divisors (see below), whose sum is σ = 52925488. Its totient is φ = 15099552.

The previous prime is 30221101. The next prime is 30221117. The reversal of 30221116 is 61112203.

It is a self number, because there is not a number n which added to its sum of digits gives 30221116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9025 + ... + 11911.

Almost surely, 2^30221116 is an apocalyptic number.

It is an amenable number.

30221116 is a deficient number, since it is larger than the sum of its proper divisors (22704372).

30221116 is a wasteful number, since it uses less digits than its factorization.

30221116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508 (or 5506 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 30221116 is about 5497.3735547077. The cubic root of 30221116 is about 311.4847813779.

Adding to 30221116 its reverse (61112203), we get a palindrome (91333319).

The spelling of 30221116 in words is "thirty million, two hundred twenty-one thousand, one hundred sixteen".