2229765801897 has 4 divisors (see below), whose sum is σ = 2973021069200. Its totient is φ = 1486510534596.

The previous prime is 2229765801839. The next prime is 2229765801929. The reversal of 2229765801897 is 7981085679222.

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 not a de Polignac number, because 2229765801897 - 2⁶ = 2229765801833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2229765801817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371627633647 + ... + 371627633652.

It is an arithmetic number, because the mean of its divisors is an integer number (743255267300).

Almost surely, 2^{2229765801897} is an apocalyptic number.

It is an amenable number.

2229765801897 is a deficient number, since it is larger than the sum of its proper divisors (743255267303).

2229765801897 is an equidigital number, since it uses as much as digits as its factorization.

2229765801897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743255267302.

The product of its (nonzero) digits is 60963840, while the sum is 66.

The spelling of 2229765801897 in words is "two trillion, two hundred twenty-nine billion, seven hundred sixty-five million, eight hundred one thousand, eight hundred ninety-seven".