7222143642865 has 8 divisors (see below), whose sum is σ = 8683802140608. Its totient is φ = 5766228401520.

The previous prime is 7222143642859. The next prime is 7222143642907. The reversal of 7222143642865 is 5682463412227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7222143642865 - 2⁹ = 7222143642353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435811331 + ... + 1435816360.

It is an arithmetic number, because the mean of its divisors is an integer number (1085475267576).

Almost surely, 2^{7222143642865} is an apocalyptic number.

It is an amenable number.

7222143642865 is a deficient number, since it is larger than the sum of its proper divisors (1461658497743).

7222143642865 is a wasteful number, since it uses less digits than its factorization.

7222143642865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871628199.

The product of its digits is 7741440, while the sum is 52.

The spelling of 7222143642865 in words is "seven trillion, two hundred twenty-two billion, one hundred forty-three million, six hundred forty-two thousand, eight hundred sixty-five".