722285101 has 2 divisors, whose sum is σ = 722285102. Its totient is φ = 722285100.

The previous prime is 722285087. The next prime is 722285129. The reversal of 722285101 is 101582227.

It is an a-pointer prime, because the next prime (722285129) can be obtained adding 722285101 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536617225 + 185667876 = 23165^2 + 13626^2 .

It is a cyclic number.

It is not a de Polignac number, because 722285101 - 2¹⁷ = 722154029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722285101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722285191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361142550 + 361142551.

It is an arithmetic number, because the mean of its divisors is an integer number (361142551).

Almost surely, 2^722285101 is an apocalyptic number.

It is an amenable number.

722285101 is a deficient number, since it is larger than the sum of its proper divisors (1).

722285101 is an equidigital number, since it uses as much as digits as its factorization.

722285101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 722285101 is about 26875.3623417434. The cubic root of 722285101 is about 897.2281389381.

The spelling of 722285101 in words is "seven hundred twenty-two million, two hundred eighty-five thousand, one hundred one".