8422277 has 4 divisors (see below), whose sum is σ = 8464800. Its totient is φ = 8379756.

The previous prime is 8422247. The next prime is 8422279. The reversal of 8422277 is 7722248.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8422277 - 2⁶ = 8422213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20963 + ... + 21360.

It is an arithmetic number, because the mean of its divisors is an integer number (2116200).

Almost surely, 2^8422277 is an apocalyptic number.

It is an amenable number.

8422277 is a deficient number, since it is larger than the sum of its proper divisors (42523).

8422277 is a wasteful number, since it uses less digits than its factorization.

8422277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42522.

The product of its digits is 12544, while the sum is 32.

The square root of 8422277 is about 2902.1159521976. The cubic root of 8422277 is about 203.4588132292.

The spelling of 8422277 in words is "eight million, four hundred twenty-two thousand, two hundred seventy-seven".