22754857 has 4 divisors (see below), whose sum is σ = 24093396. Its totient is φ = 21416320.

The previous prime is 22754827. The next prime is 22754867. The reversal of 22754857 is 75845722.

It is a happy number.

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 13169641 + 9585216 = 3629^2 + 3096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22754857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22754807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669244 + ... + 669277.

It is an arithmetic number, because the mean of its divisors is an integer number (6023349).

Almost surely, 2^22754857 is an apocalyptic number.

It is an amenable number.

22754857 is a deficient number, since it is larger than the sum of its proper divisors (1338539).

22754857 is a wasteful number, since it uses less digits than its factorization.

22754857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338538.

The product of its digits is 156800, while the sum is 40.

The square root of 22754857 is about 4770.2051318575. The cubic root of 22754857 is about 283.3727187079.

The spelling of 22754857 in words is "twenty-two million, seven hundred fifty-four thousand, eight hundred fifty-seven".