48726221 has 2 divisors, whose sum is σ = 48726222. Its totient is φ = 48726220.

The previous prime is 48726187. The next prime is 48726253. The reversal of 48726221 is 12262784.

48726221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (48726253) can be obtained adding 48726221 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47748100 + 978121 = 6910^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 48726221 - 2⁶ = 48726157 is a prime.

It is a super-2 number, since 2×48726221² = 4748489225881682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48726281) 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, 24363110 + 24363111.

It is an arithmetic number, because the mean of its divisors is an integer number (24363111).

Almost surely, 2^48726221 is an apocalyptic number.

It is an amenable number.

48726221 is a deficient number, since it is larger than the sum of its proper divisors (1).

48726221 is an equidigital number, since it uses as much as digits as its factorization.

48726221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 48726221 is about 6980.4169646232. The cubic root of 48726221 is about 365.2477732183.

The spelling of 48726221 in words is "forty-eight million, seven hundred twenty-six thousand, two hundred twenty-one".