1282552822 has 4 divisors (see below), whose sum is σ = 1923829236. Its totient is φ = 641276410.

The previous prime is 1282552783. The next prime is 1282552837. The reversal of 1282552822 is 2282552821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 320638204 + ... + 320638207.

It is an arithmetic number, because the mean of its divisors is an integer number (480957309).

Almost surely, 2^1282552822 is an apocalyptic number.

1282552822 is a deficient number, since it is larger than the sum of its proper divisors (641276414).

1282552822 is an equidigital number, since it uses as much as digits as its factorization.

1282552822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641276413.

The product of its digits is 51200, while the sum is 37.

The square root of 1282552822 is about 35812.7466413845. The cubic root of 1282552822 is about 1086.4883824132.

Subtracting 1282552822 from its reverse (2282552821), we obtain a palindrome (999999999).

The spelling of 1282552822 in words is "one billion, two hundred eighty-two million, five hundred fifty-two thousand, eight hundred twenty-two".