1422643113157 has 4 divisors (see below), whose sum is σ = 1625877843616. Its totient is φ = 1219408382700.

The previous prime is 1422643113149. The next prime is 1422643113169. The reversal of 1422643113157 is 7513113462241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1422643113157 - 2³ = 1422643113149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422643113257) 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, 101617365219 + ... + 101617365232.

It is an arithmetic number, because the mean of its divisors is an integer number (406469460904).

Almost surely, 2^{1422643113157} is an apocalyptic number.

It is an amenable number.

1422643113157 is a deficient number, since it is larger than the sum of its proper divisors (203234730459).

1422643113157 is an equidigital number, since it uses as much as digits as its factorization.

1422643113157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203234730458.

The product of its digits is 120960, while the sum is 40.

Adding to 1422643113157 its reverse (7513113462241), we get a palindrome (8935756575398).

The spelling of 1422643113157 in words is "one trillion, four hundred twenty-two billion, six hundred forty-three million, one hundred thirteen thousand, one hundred fifty-seven".