72211715722 has 8 divisors (see below), whose sum is σ = 113027033376. Its totient is φ = 34536037932.

The previous prime is 72211715713. The next prime is 72211715731. The reversal of 72211715722 is 22751711227.

It is an interprime number because it is at equal distance from previous prime (72211715713) and next prime (72211715731).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784909908 + ... + 784909999.

It is an arithmetic number, because the mean of its divisors is an integer number (14128379172).

Almost surely, 2^72211715722 is an apocalyptic number.

72211715722 is a deficient number, since it is larger than the sum of its proper divisors (40815317654).

72211715722 is a wasteful number, since it uses less digits than its factorization.

72211715722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569819932.

The product of its digits is 27440, while the sum is 37.

The spelling of 72211715722 in words is "seventy-two billion, two hundred eleven million, seven hundred fifteen thousand, seven hundred twenty-two".