30024221 has 2 divisors, whose sum is σ = 30024222. Its totient is φ = 30024220.

The previous prime is 30024173. The next prime is 30024233. The reversal of 30024221 is 12242003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 1240996 = 5365^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 30024221 - 2¹⁰ = 30023197 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30024196 and 30024205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30024271) by changing a digit.

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 as a sum of consecutive naturals, namely, 15012110 + 15012111.

It is an arithmetic number, because the mean of its divisors is an integer number (15012111).

Almost surely, 2^30024221 is an apocalyptic number.

It is an amenable number.

30024221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30024221 is an equidigital number, since it uses as much as digits as its factorization.

30024221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30024221 is about 5479.4361936243. The cubic root of 30024221 is about 310.8068506325.

Adding to 30024221 its reverse (12242003), we get a palindrome (42266224).

The spelling of 30024221 in words is "thirty million, twenty-four thousand, two hundred twenty-one".