30221412 has 24 divisors (see below), whose sum is σ = 75941376. Its totient is φ = 9298848.

The previous prime is 30221369. The next prime is 30221431. The reversal of 30221412 is 21412203.

It is a junction number, because it is equal to n+sod(n) for n = 30221391 and 30221400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96708 + ... + 97019.

It is an arithmetic number, because the mean of its divisors is an integer number (3164224).

Almost surely, 2^30221412 is an apocalyptic number.

It is an amenable number.

30221412 is an abundant number, since it is smaller than the sum of its proper divisors (45719964).

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

30221412 is a wasteful number, since it uses less digits than its factorization.

30221412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193747 (or 193745 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30221412 is about 5497.4004765889. The cubic root of 30221412 is about 311.4857983180.

Adding to 30221412 its reverse (21412203), we get a palindrome (51633615).

The spelling of 30221412 in words is "thirty million, two hundred twenty-one thousand, four hundred twelve".