1446002221 has 2 divisors, whose sum is σ = 1446002222. Its totient is φ = 1446002220.

The previous prime is 1446002219. The next prime is 1446002251. The reversal of 1446002221 is 1222006441.

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., 1333345225 + 112656996 = 36515^2 + 10614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1446002221 - 2¹ = 1446002219 is a prime.

Together with 1446002219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1446002192 and 1446002201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1446002251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723001110 + 723001111.

It is an arithmetic number, because the mean of its divisors is an integer number (723001111).

Almost surely, 2^1446002221 is an apocalyptic number.

It is an amenable number.

1446002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1446002221 is an equidigital number, since it uses as much as digits as its factorization.

1446002221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1446002221 is about 38026.3358871191. The cubic root of 1446002221 is about 1130.8100337026.

Adding to 1446002221 its reverse (1222006441), we get a palindrome (2668008662).

The spelling of 1446002221 in words is "one billion, four hundred forty-six million, two thousand, two hundred twenty-one".