1422878018843 has 4 divisors (see below), whose sum is σ = 1457582360808. Its totient is φ = 1388173676880.

The previous prime is 1422878018797. The next prime is 1422878018851. The reversal of 1422878018843 is 3488108782241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1422878018843 - 2⁸ = 1422878018587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422878014843) 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 3 ways as a sum of consecutive naturals, for example, 17352170921 + ... + 17352171002.

It is an arithmetic number, because the mean of its divisors is an integer number (364395590202).

Almost surely, 2^{1422878018843} is an apocalyptic number.

1422878018843 is a deficient number, since it is larger than the sum of its proper divisors (34704341965).

1422878018843 is an equidigital number, since it uses as much as digits as its factorization.

1422878018843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34704341964.

The product of its (nonzero) digits is 5505024, while the sum is 56.

The spelling of 1422878018843 in words is "one trillion, four hundred twenty-two billion, eight hundred seventy-eight million, eighteen thousand, eight hundred forty-three".