722422006251 has 16 divisors (see below), whose sum is σ = 1056129643008. Its totient is φ = 435609020000.

The previous prime is 722422006213. The next prime is 722422006289. The reversal of 722422006251 is 152600224227.

It is an interprime number because it is at equal distance from previous prime (722422006213) and next prime (722422006289).

It is not a de Polignac number, because 722422006251 - 2²³ = 722413617643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (722422006351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55555875 + ... + 55568876.

It is an arithmetic number, because the mean of its divisors is an integer number (66008102688).

Almost surely, 2^722422006251 is an apocalyptic number.

722422006251 is a deficient number, since it is larger than the sum of its proper divisors (333707636757).

722422006251 is a wasteful number, since it uses less digits than its factorization.

722422006251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111124962.

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 722422006251 in words is "seven hundred twenty-two billion, four hundred twenty-two million, six thousand, two hundred fifty-one".