1422375643 has 8 divisors (see below), whose sum is σ = 1532717648. Its totient is φ = 1312166304.

The previous prime is 1422375641. The next prime is 1422375659. The reversal of 1422375643 is 3465732241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422375643 - 2¹ = 1422375641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422375641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10305 + ... + 54322.

It is an arithmetic number, because the mean of its divisors is an integer number (191589706).

Almost surely, 2^1422375643 is an apocalyptic number.

1422375643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1422375643 is a deficient number, since it is larger than the sum of its proper divisors (110342005).

1422375643 is a wasteful number, since it uses less digits than its factorization.

1422375643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66333.

The product of its digits is 120960, while the sum is 37.

The square root of 1422375643 is about 37714.3956997855. The cubic root of 1422375643 is about 1124.6173231449.

The spelling of 1422375643 in words is "one billion, four hundred twenty-two million, three hundred seventy-five thousand, six hundred forty-three".