8422360561 has 12 divisors (see below), whose sum is σ = 8551883172. Its totient is φ = 8294742144.

The previous prime is 8422360517. The next prime is 8422360591. The reversal of 8422360561 is 1650632248.

It can be written as a sum of positive squares in 2 ways, for example, as 7078698225 + 1343662336 = 84135^2 + 36656^2 .

It is not a de Polignac number, because 8422360561 - 2⁹ = 8422360049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8422360561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422360591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2850661 + ... + 2853613.

It is an arithmetic number, because the mean of its divisors is an integer number (712656931).

Almost surely, 2^8422360561 is an apocalyptic number.

It is an amenable number.

8422360561 is a deficient number, since it is larger than the sum of its proper divisors (129522611).

8422360561 is an equidigital number, since it uses as much as digits as its factorization.

8422360561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3489 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 8422360561 is about 91773.4196867481. The cubic root of 8422360561 is about 2034.5948609414.

The spelling of 8422360561 in words is "eight billion, four hundred twenty-two million, three hundred sixty thousand, five hundred sixty-one".