422705240197 has 4 divisors (see below), whose sum is σ = 428055939520. Its totient is φ = 417354540876.

The previous prime is 422705240183. The next prime is 422705240207. The reversal of 422705240197 is 791042507224.

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 422705240197 - 2²⁷ = 422571022469 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 (422705240137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675349543 + ... + 2675349700.

It is an arithmetic number, because the mean of its divisors is an integer number (107013984880).

Almost surely, 2^422705240197 is an apocalyptic number.

It is an amenable number.

422705240197 is a deficient number, since it is larger than the sum of its proper divisors (5350699323).

422705240197 is an equidigital number, since it uses as much as digits as its factorization.

422705240197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350699322.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 422705240197 in words is "four hundred twenty-two billion, seven hundred five million, two hundred forty thousand, one hundred ninety-seven".