30221459 has 2 divisors, whose sum is σ = 30221460. Its totient is φ = 30221458.

The previous prime is 30221453. The next prime is 30221467. The reversal of 30221459 is 95412203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30221459 - 2²⁴ = 13444243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30221453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110729 + 15110730.

It is an arithmetic number, because the mean of its divisors is an integer number (15110730).

Almost surely, 2^30221459 is an apocalyptic number.

30221459 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221459 is an equidigital number, since it uses as much as digits as its factorization.

30221459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 30221459 is about 5497.4047513349. The cubic root of 30221459 is about 311.4859597910.

The spelling of 30221459 in words is "thirty million, two hundred twenty-one thousand, four hundred fifty-nine".