9223557 has 8 divisors (see below), whose sum is σ = 14054976. Its totient is φ = 5270592.

The previous prime is 9223549. The next prime is 9223559. The reversal of 9223557 is 7553229.

9223557 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9223557 - 2³ = 9223549 is a prime.

It is a super-4 number, since 4×9223557⁴ (a number of 29 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 9² + 2¹³ + 2²³ + 3 + 5 + 5⁵ + 7⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219588 + ... + 219629.

It is an arithmetic number, because the mean of its divisors is an integer number (1756872).

Almost surely, 2^9223557 is an apocalyptic number.

It is an amenable number.

9223557 is a deficient number, since it is larger than the sum of its proper divisors (4831419).

9223557 is a wasteful number, since it uses less digits than its factorization.

9223557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439227.

The product of its digits is 18900, while the sum is 33.

The square root of 9223557 is about 3037.0309514393. The cubic root of 9223557 is about 209.7166018490.

The spelling of 9223557 in words is "nine million, two hundred twenty-three thousand, five hundred fifty-seven".