7213222782055 has 8 divisors (see below), whose sum is σ = 8658717494112. Its totient is φ = 5768678121888.

The previous prime is 7213222782043. The next prime is 7213222782083. The reversal of 7213222782055 is 5502872223127.

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

It is a cyclic number.

It is not a de Polignac number, because 7213222782055 - 2⁹ = 7213222781543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7213222781996 and 7213222782014.

It is a congruent 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, 237496267 + ... + 237526636.

It is an arithmetic number, because the mean of its divisors is an integer number (1082339686764).

Almost surely, 2^{7213222782055} is an apocalyptic number.

7213222782055 is a deficient number, since it is larger than the sum of its proper divisors (1445494712057).

7213222782055 is a wasteful number, since it uses less digits than its factorization.

7213222782055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475025945.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 7213222782055 in words is "seven trillion, two hundred thirteen billion, two hundred twenty-two million, seven hundred eighty-two thousand, fifty-five".