422223673878724 has 81 divisors (see below), whose sum is σ = 785760038659533. Its totient is φ = 198490526888256.

The previous prime is 422223673878719. The next prime is 422223673878731. The reversal of 422223673878724 is 427878376322224.

The square root of 422223673878724 is 20548082.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 248016197160900 + 174207476717824 = 15748530^2 + 13198768^2 .

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 422223673878724.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 106973312919 + ... + 106973316865.

Almost surely, 2^{422223673878724} is an apocalyptic number.

422223673878724 is the 20548082-nd square number.

It is an amenable number.

422223673878724 is a deficient number, since it is larger than the sum of its proper divisors (363536364780809).

422223673878724 is an frugal number, since it uses more digits than its factorization.

422223673878724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210 (or 4105 counting only the distinct ones).

The product of its digits is 606928896, while the sum is 67.

The spelling of 422223673878724 in words is "four hundred twenty-two trillion, two hundred twenty-three billion, six hundred seventy-three million, eight hundred seventy-eight thousand, seven hundred twenty-four".