9422557 has 4 divisors (see below), whose sum is σ = 9435580. Its totient is φ = 9409536.

The previous prime is 9422549. The next prime is 9422561. The reversal of 9422557 is 7552249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7552249 = 199 ⋅37951.

It can be written as a sum of positive squares in 2 ways, for example, as 4137156 + 5285401 = 2034^2 + 2299^2 .

It is a cyclic number.

It is not a de Polignac number, because 9422557 - 2³ = 9422549 is a prime.

It is a super-3 number, since 3×9422557³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

9422557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9422057) 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, 5358 + ... + 6895.

It is an arithmetic number, because the mean of its divisors is an integer number (2358895).

Almost surely, 2^9422557 is an apocalyptic number.

It is an amenable number.

9422557 is a deficient number, since it is larger than the sum of its proper divisors (13023).

9422557 is a wasteful number, since it uses less digits than its factorization.

9422557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022.

The product of its digits is 25200, while the sum is 34.

The square root of 9422557 is about 3069.6183801900. The cubic root of 9422557 is about 211.2141084875.

The spelling of 9422557 in words is "nine million, four hundred twenty-two thousand, five hundred fifty-seven".