22857873 has 4 divisors (see below), whose sum is σ = 30477168. Its totient is φ = 15238580.

The previous prime is 22857871. The next prime is 22857917. The reversal of 22857873 is 37875822.

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 22857873 - 2¹ = 22857871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22857871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3809643 + ... + 3809648.

It is an arithmetic number, because the mean of its divisors is an integer number (7619292).

Almost surely, 2^22857873 is an apocalyptic number.

It is an amenable number.

22857873 is a deficient number, since it is larger than the sum of its proper divisors (7619295).

22857873 is an equidigital number, since it uses as much as digits as its factorization.

22857873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619294.

The product of its digits is 188160, while the sum is 42.

The square root of 22857873 is about 4780.9907968956. The cubic root of 22857873 is about 283.7997042053.

The spelling of 22857873 in words is "twenty-two million, eight hundred fifty-seven thousand, eight hundred seventy-three".