8422573 has 2 divisors, whose sum is σ = 8422574. Its totient is φ = 8422572.

The previous prime is 8422571. The next prime is 8422597. The reversal of 8422573 is 3752248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6340324 + 2082249 = 2518^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 8422573 - 2¹ = 8422571 is a prime.

Together with 8422571, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 8 + 4⁷ + 2⁵ + 2²³ + 5 + 7⁵ + 3⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8422571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211286 + 4211287.

It is an arithmetic number, because the mean of its divisors is an integer number (4211287).

Almost surely, 2^8422573 is an apocalyptic number.

It is an amenable number.

8422573 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422573 is an equidigital number, since it uses as much as digits as its factorization.

8422573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 8422573 is about 2902.1669490227. The cubic root of 8422573 is about 203.4611967138.

The spelling of 8422573 in words is "eight million, four hundred twenty-two thousand, five hundred seventy-three".