722120022001 has 16 divisors (see below), whose sum is σ = 873938820096. Its totient is φ = 582475332096.

The previous prime is 722120021911. The next prime is 722120022073. The reversal of 722120022001 is 100220021227.

It is not a de Polignac number, because 722120022001 - 2⁷ = 722120021873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722120022001.

It is not an unprimeable number, because it can be changed into a prime (722120022101) 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, 542080 + ... + 1318366.

It is an arithmetic number, because the mean of its divisors is an integer number (54621176256).

Almost surely, 2^722120022001 is an apocalyptic number.

It is an amenable number.

722120022001 is a deficient number, since it is larger than the sum of its proper divisors (151818798095).

722120022001 is a wasteful number, since it uses less digits than its factorization.

722120022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784128.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 722120022001 its reverse (100220021227), we get a palindrome (822340043228).

The spelling of 722120022001 in words is "seven hundred twenty-two billion, one hundred twenty million, twenty-two thousand, one".