8422651 has 4 divisors (see below), whose sum is σ = 8431600. Its totient is φ = 8413704.

The previous prime is 8422649. The next prime is 8422691. The reversal of 8422651 is 1562248.

8422651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8422651 - 2¹ = 8422649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8422691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2871 + ... + 5008.

It is an arithmetic number, because the mean of its divisors is an integer number (2107900).

Almost surely, 2^8422651 is an apocalyptic number.

8422651 is the 1836-th centered pentagonal number.

8422651 is a deficient number, since it is larger than the sum of its proper divisors (8949).

8422651 is a wasteful number, since it uses less digits than its factorization.

8422651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948.

The product of its digits is 3840, while the sum is 28.

The square root of 8422651 is about 2902.1803872261. The cubic root of 8422651 is about 203.4618247849.

Adding to 8422651 its reverse (1562248), we get a palindrome (9984899).

The spelling of 8422651 in words is "eight million, four hundred twenty-two thousand, six hundred fifty-one".