1422827905 has 8 divisors (see below), whose sum is σ = 1724298984. Its totient is φ = 1126992000.

The previous prime is 1422827897. The next prime is 1422827921. The reversal of 1422827905 is 5097282241.

It can be written as a sum of positive squares in 4 ways, for example, as 113039424 + 1309788481 = 10632^2 + 36191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1422827905 - 2³ = 1422827897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408236 + ... + 1409245.

It is an arithmetic number, because the mean of its divisors is an integer number (215537373).

Almost surely, 2^1422827905 is an apocalyptic number.

It is an amenable number.

1422827905 is a deficient number, since it is larger than the sum of its proper divisors (301471079).

1422827905 is a wasteful number, since it uses less digits than its factorization.

1422827905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817587.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1422827905 is about 37720.3911034867. The cubic root of 1422827905 is about 1124.7365058620.

The spelling of 1422827905 in words is "one billion, four hundred twenty-two million, eight hundred twenty-seven thousand, nine hundred five".