48226721 has 2 divisors, whose sum is σ = 48226722. Its totient is φ = 48226720.

The previous prime is 48226663. The next prime is 48226741. The reversal of 48226721 is 12762284.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48094225 + 132496 = 6935^2 + 364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48226721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48226741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24113360 + 24113361.

It is an arithmetic number, because the mean of its divisors is an integer number (24113361).

Almost surely, 2^48226721 is an apocalyptic number.

It is an amenable number.

48226721 is a deficient number, since it is larger than the sum of its proper divisors (1).

48226721 is an equidigital number, since it uses as much as digits as its factorization.

48226721 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 48226721 is about 6944.5461334777. The cubic root of 48226721 is about 363.9954136402.

The spelling of 48226721 in words is "forty-eight million, two hundred twenty-six thousand, seven hundred twenty-one".