7222215007865 has 32 divisors (see below), whose sum is σ = 10418594288256. Its totient is φ = 4735724636160.

The previous prime is 7222215007853. The next prime is 7222215007877. The reversal of 7222215007865 is 5687005122227.

It is an interprime number because it is at equal distance from previous prime (7222215007853) and next prime (7222215007877).

It is not a de Polignac number, because 7222215007865 - 2²⁴ = 7222198230649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117422744 + ... + 117484233.

It is an arithmetic number, because the mean of its divisors is an integer number (325581071508).

Almost surely, 2^{7222215007865} is an apocalyptic number.

It is an amenable number.

7222215007865 is a deficient number, since it is larger than the sum of its proper divisors (3196379280391).

7222215007865 is a wasteful number, since it uses less digits than its factorization.

7222215007865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234907049.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 7222215007865 in words is "seven trillion, two hundred twenty-two billion, two hundred fifteen million, seven thousand, eight hundred sixty-five".