48226021 has 2 divisors, whose sum is σ = 48226022. Its totient is φ = 48226020.

The previous prime is 48226019. The next prime is 48226037. The reversal of 48226021 is 12062284.

48226021 = 4910² + 4911².

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24117921 + 24108100 = 4911^2 + 4910^2 .

It is a cyclic number.

It is not a de Polignac number, because 48226021 - 2¹ = 48226019 is a prime.

Together with 48226019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48226081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24113010 + 24113011.

It is an arithmetic number, because the mean of its divisors is an integer number (24113011).

Almost surely, 2^48226021 is an apocalyptic number.

48226021 is the 4911-st centered square number.

It is an amenable number.

48226021 is a deficient number, since it is larger than the sum of its proper divisors (1).

48226021 is an equidigital number, since it uses as much as digits as its factorization.

48226021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 48226021 is about 6944.4957340328. The cubic root of 48226021 is about 363.9936525279.

The spelling of 48226021 in words is "forty-eight million, two hundred twenty-six thousand, twenty-one".