22871057 has 6 divisors (see below), whose sum is σ = 25139394. Its totient is φ = 20791760.

The previous prime is 22871033. The next prime is 22871063. The reversal of 22871057 is 75017822.

It can be written as a sum of positive squares in only one way, i.e., 21242881 + 1628176 = 4609^2 + 1276^2 .

It is not a de Polignac number, because 22871057 - 2¹⁴ = 22854673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22871027) 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 5 ways as a sum of consecutive naturals, for example, 94388 + ... + 94629.

It is an arithmetic number, because the mean of its divisors is an integer number (4189899).

Almost surely, 2^22871057 is an apocalyptic number.

It is an amenable number.

22871057 is a deficient number, since it is larger than the sum of its proper divisors (2268337).

22871057 is a wasteful number, since it uses less digits than its factorization.

22871057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189039 (or 189028 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 22871057 is about 4782.3693918392. The cubic root of 22871057 is about 283.8542571984.

Adding to 22871057 its reverse (75017822), we get a palindrome (97888879).

The spelling of 22871057 in words is "twenty-two million, eight hundred seventy-one thousand, fifty-seven".