30221195 has 16 divisors (see below), whose sum is σ = 38007360. Its totient is φ = 23025024.

The previous prime is 30221173. The next prime is 30221207. The reversal of 30221195 is 59112203.

It is not a de Polignac number, because 30221195 - 2¹⁰ = 30220171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 30221195.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36041 + ... + 36869.

It is an arithmetic number, because the mean of its divisors is an integer number (2375460).

Almost surely, 2^30221195 is an apocalyptic number.

30221195 is a deficient number, since it is larger than the sum of its proper divisors (7786165).

30221195 is a wasteful number, since it uses less digits than its factorization.

30221195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 30221195 is about 5497.3807399524. The cubic root of 30221195 is about 311.4850527916.

Adding to 30221195 its reverse (59112203), we get a palindrome (89333398).

The spelling of 30221195 in words is "thirty million, two hundred twenty-one thousand, one hundred ninety-five".