49302221 has 2 divisors, whose sum is σ = 49302222. Its totient is φ = 49302220.

The previous prime is 49302203. The next prime is 49302223. The reversal of 49302221 is 12220394.

49302221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 8916196 = 6355^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 49302221 - 2¹⁴ = 49285837 is a prime.

Together with 49302223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49302223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24651110 + 24651111.

It is an arithmetic number, because the mean of its divisors is an integer number (24651111).

Almost surely, 2^49302221 is an apocalyptic number.

It is an amenable number.

49302221 is a deficient number, since it is larger than the sum of its proper divisors (1).

49302221 is an equidigital number, since it uses as much as digits as its factorization.

49302221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 49302221 is about 7021.5540302699. The cubic root of 49302221 is about 366.6813554262.

The spelling of 49302221 in words is "forty-nine million, three hundred two thousand, two hundred twenty-one".