722115222025 has 24 divisors (see below), whose sum is σ = 904762091520. Its totient is φ = 571668303360.

The previous prime is 722115222007. The next prime is 722115222047. The reversal of 722115222025 is 520222511227.

It is a de Polignac number, because none of the positive numbers 2^k-722115222025 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32694936 + ... + 32717014.

It is an arithmetic number, because the mean of its divisors is an integer number (37698420480).

Almost surely, 2^722115222025 is an apocalyptic number.

It is an amenable number.

722115222025 is a deficient number, since it is larger than the sum of its proper divisors (182646869495).

722115222025 is a wasteful number, since it uses less digits than its factorization.

722115222025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35673 (or 35668 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 722115222025 in words is "seven hundred twenty-two billion, one hundred fifteen million, two hundred twenty-two thousand, twenty-five".