1422991866843 has 12 divisors (see below), whose sum is σ = 2055445976688. Its totient is φ = 948655115280.

The previous prime is 1422991866833. The next prime is 1422991866847. The reversal of 1422991866843 is 3486681992241.

1422991866843 is a `hidden beast` number, since 1 + 422 + 9 + 91 + 86 + 6 + 8 + 43 = 666.

It is not a de Polignac number, because 1422991866843 - 2⁵ = 1422991866811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422991866847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1295946 + ... + 2127312.

It is an arithmetic number, because the mean of its divisors is an integer number (171287164724).

Almost surely, 2^{1422991866843} is an apocalyptic number.

1422991866843 is a deficient number, since it is larger than the sum of its proper divisors (632454109845).

1422991866843 is a wasteful number, since it uses less digits than its factorization.

1422991866843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021554 (or 1021551 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 1422991866843 in words is "one trillion, four hundred twenty-two billion, nine hundred ninety-one million, eight hundred sixty-six thousand, eight hundred forty-three".