221302483 has 2 divisors, whose sum is σ = 221302484. Its totient is φ = 221302482.

The previous prime is 221302469. The next prime is 221302531. The reversal of 221302483 is 384203122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221302483 is a prime.

It is not a weakly prime, because it can be changed into another prime (221302423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110651241 + 110651242.

It is an arithmetic number, because the mean of its divisors is an integer number (110651242).

Almost surely, 2^221302483 is an apocalyptic number.

221302483 is a deficient number, since it is larger than the sum of its proper divisors (1).

221302483 is an equidigital number, since it uses as much as digits as its factorization.

221302483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 221302483 is about 14876.2388727796. The cubic root of 221302483 is about 604.8700702246.

The spelling of 221302483 in words is "two hundred twenty-one million, three hundred two thousand, four hundred eighty-three".