30086221 has 8 divisors (see below), whose sum is σ = 32861088. Its totient is φ = 27318000.

The previous prime is 30086201. The next prime is 30086239. The reversal of 30086221 is 12268003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30086221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30086192 and 30086201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30086201) 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, 16411 + ... + 18151.

It is an arithmetic number, because the mean of its divisors is an integer number (4107636).

Almost surely, 2^30086221 is an apocalyptic number.

It is an amenable number.

30086221 is a deficient number, since it is larger than the sum of its proper divisors (2774867).

30086221 is a wasteful number, since it uses less digits than its factorization.

30086221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 30086221 is about 5485.0907923206. The cubic root of 30086221 is about 311.0206421992.

It can be divided in two parts, 3008 and 6221, that added together give a palindrome (9229).

The spelling of 30086221 in words is "thirty million, eighty-six thousand, two hundred twenty-one".