30221468 has 6 divisors (see below), whose sum is σ = 52887576. Its totient is φ = 15110732.

The previous prime is 30221467. The next prime is 30221473. The reversal of 30221468 is 86412203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777680 + ... + 3777687.

It is an arithmetic number, because the mean of its divisors is an integer number (8814596).

Almost surely, 2^30221468 is an apocalyptic number.

It is an amenable number.

30221468 is a deficient number, since it is larger than the sum of its proper divisors (22666108).

30221468 is a wasteful number, since it uses less digits than its factorization.

30221468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555371 (or 7555369 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30221468 is about 5497.4055699030. The cubic root of 30221468 is about 311.4859907113.

The spelling of 30221468 in words is "thirty million, two hundred twenty-one thousand, four hundred sixty-eight".