1448221583 has 2 divisors, whose sum is σ = 1448221584. Its totient is φ = 1448221582.

The previous prime is 1448221573. The next prime is 1448221597. The reversal of 1448221583 is 3851228441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1448221583 - 2¹⁰ = 1448220559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448221573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724110791 + 724110792.

It is an arithmetic number, because the mean of its divisors is an integer number (724110792).

Almost surely, 2^1448221583 is an apocalyptic number.

1448221583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448221583 is an equidigital number, since it uses as much as digits as its factorization.

1448221583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 38.

The square root of 1448221583 is about 38055.5066054835. The cubic root of 1448221583 is about 1131.3882702370.

The spelling of 1448221583 in words is "one billion, four hundred forty-eight million, two hundred twenty-one thousand, five hundred eighty-three".