8422722050 has 18 divisors (see below), whose sum is σ = 15667470153. Its totient is φ = 3368829240.

The previous prime is 8422722031. The next prime is 8422722053. The reversal of 8422722050 is 502272248.

It can be written as a sum of positive squares in 2 ways, for example, as 8254267609 + 168454441 = 90853^2 + 12979^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64895.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8422721998 and 8422722016.

It is not an unprimeable number, because it can be changed into a prime (8422722053) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 642461 + ... + 655439.

Almost surely, 2^8422722050 is an apocalyptic number.

8422722050 is a deficient number, since it is larger than the sum of its proper divisors (7244748103).

8422722050 is an frugal number, since it uses more digits than its factorization.

8422722050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25970 (or 12986 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 8422722050 is about 91775.3891302020. The cubic root of 8422722050 is about 2034.6239688989.

Multiplying 8422722050 by its sum of digits (32), we get a square (269527105600 = 519160²).

Adding to 8422722050 its reverse (502272248), we get a palindrome (8924994298).

The spelling of 8422722050 in words is "eight billion, four hundred twenty-two million, seven hundred twenty-two thousand, fifty".