22857673 has 4 divisors (see below), whose sum is σ = 24202260. Its totient is φ = 21513088.

The previous prime is 22857647. The next prime is 22857683. The reversal of 22857673 is 37675822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 11209104 = 3413^2 + 3348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22857673 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22857683) 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, 672268 + ... + 672301.

It is an arithmetic number, because the mean of its divisors is an integer number (6050565).

Almost surely, 2^22857673 is an apocalyptic number.

It is an amenable number.

22857673 is a deficient number, since it is larger than the sum of its proper divisors (1344587).

22857673 is a wasteful number, since it uses less digits than its factorization.

22857673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344586.

The product of its digits is 141120, while the sum is 40.

The square root of 22857673 is about 4780.9698806832. The cubic root of 22857673 is about 283.7988764802.

The spelling of 22857673 in words is "twenty-two million, eight hundred fifty-seven thousand, six hundred seventy-three".