71722822213 has 16 divisors (see below), whose sum is σ = 82352350080. Its totient is φ = 61189315776.

The previous prime is 71722822183. The next prime is 71722822217. The reversal of 71722822213 is 31222822717.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71722822213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71722822217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8246295 + ... + 8254987.

It is an arithmetic number, because the mean of its divisors is an integer number (5147021880).

Almost surely, 2^71722822213 is an apocalyptic number.

It is an amenable number.

71722822213 is a deficient number, since it is larger than the sum of its proper divisors (10629527867).

71722822213 is a wasteful number, since it uses less digits than its factorization.

71722822213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14076.

The product of its digits is 37632, while the sum is 37.

The spelling of 71722822213 in words is "seventy-one billion, seven hundred twenty-two million, eight hundred twenty-two thousand, two hundred thirteen".