1448221248 has 56 divisors (see below), whose sum is σ = 4257507360. Its totient is φ = 482739840.

The previous prime is 1448221193. The next prime is 1448221277. The reversal of 1448221248 is 8421228441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417318 + ... + 420773.

Almost surely, 2^1448221248 is an apocalyptic number.

1448221248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1448221248 is an abundant number, since it is smaller than the sum of its proper divisors (2809286112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1448221248 is an equidigital number, since it uses as much as digits as its factorization.

1448221248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838112 (or 838096 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 1448221248 is about 38055.5022040178. The cubic root of 1448221248 is about 1131.3881830001.

Adding to 1448221248 its reverse (8421228441), we get a palindrome (9869449689).

It can be divided in two parts, 144822 and 1248, that added together give a triangular number (146070 = T₅₄₀).

The spelling of 1448221248 in words is "one billion, four hundred forty-eight million, two hundred twenty-one thousand, two hundred forty-eight".