7213222782117 has 24 divisors (see below), whose sum is σ = 11758231499040. Its totient is φ = 4220903611680.

The previous prime is 7213222782107. The next prime is 7213222782119. The reversal of 7213222782117 is 7112872223127.

7213222782117 is a `hidden beast` number, since 7 + 21 + 322 + 278 + 21 + 17 = 666.

It is not a de Polignac number, because 7213222782117 - 2²⁰ = 7213221733541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213222782119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1256218443 + ... + 1256224184.

It is an arithmetic number, because the mean of its divisors is an integer number (489926312460).

Almost surely, 2^{7213222782117} is an apocalyptic number.

It is an amenable number.

7213222782117 is a deficient number, since it is larger than the sum of its proper divisors (4545008716923).

7213222782117 is a wasteful number, since it uses less digits than its factorization.

7213222782117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512442673 (or 2512442670 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The spelling of 7213222782117 in words is "seven trillion, two hundred thirteen billion, two hundred twenty-two million, seven hundred eighty-two thousand, one hundred seventeen".