48221387 has 2 divisors, whose sum is σ = 48221388. Its totient is φ = 48221386.

The previous prime is 48221359. The next prime is 48221413. The reversal of 48221387 is 78312284.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48221387 is a prime.

It is not a weakly prime, because it can be changed into another prime (48221687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24110693 + 24110694.

It is an arithmetic number, because the mean of its divisors is an integer number (24110694).

Almost surely, 2^48221387 is an apocalyptic number.

48221387 is a deficient number, since it is larger than the sum of its proper divisors (1).

48221387 is an equidigital number, since it uses as much as digits as its factorization.

48221387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 48221387 is about 6944.1620804817. The cubic root of 48221387 is about 363.9819935343.

The spelling of 48221387 in words is "forty-eight million, two hundred twenty-one thousand, three hundred eighty-seven".