8523422 has 4 divisors (see below), whose sum is σ = 12785136. Its totient is φ = 4261710.

The previous prime is 8523421. The next prime is 8523439. The reversal of 8523422 is 2243258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2243258 = 2 ⋅1121629.

It is a d-powerful number, because it can be written as 8 + 5⁵ + 2⁹ + 3⁴ + 4² + 2¹⁷ + 2²³ .

It is a junction number, because it is equal to n+sod(n) for n = 8523391 and 8523400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8523421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130854 + ... + 2130857.

It is an arithmetic number, because the mean of its divisors is an integer number (3196284).

Almost surely, 2^8523422 is an apocalyptic number.

8523422 is a deficient number, since it is larger than the sum of its proper divisors (4261714).

8523422 is a wasteful number, since it uses less digits than its factorization.

8523422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261713.

The product of its digits is 3840, while the sum is 26.

The square root of 8523422 is about 2919.4900239597. The cubic root of 8523422 is about 204.2700351938.

The spelling of 8523422 in words is "eight million, five hundred twenty-three thousand, four hundred twenty-two".