22857223 has 8 divisors (see below), whose sum is σ = 23115456. Its totient is φ = 22600800.

The previous prime is 22857221. The next prime is 22857227. The reversal of 22857223 is 32275822.

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

It is a cyclic number.

It is not a de Polignac number, because 22857223 - 2¹ = 22857221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22857221) 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, 52818 + ... + 53248.

It is an arithmetic number, because the mean of its divisors is an integer number (2889432).

Almost surely, 2^22857223 is an apocalyptic number.

22857223 is a deficient number, since it is larger than the sum of its proper divisors (258233).

22857223 is a wasteful number, since it uses less digits than its factorization.

22857223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

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

The square root of 22857223 is about 4780.9228188709. The cubic root of 22857223 is about 283.7970140811.

The spelling of 22857223 in words is "twenty-two million, eight hundred fifty-seven thousand, two hundred twenty-three".