22831057 has 2 divisors, whose sum is σ = 22831058. Its totient is φ = 22831056.

The previous prime is 22831037. The next prime is 22831063. The reversal of 22831057 is 75013822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17673616 + 5157441 = 4204^2 + 2271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22831057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22831007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11415528 + 11415529.

It is an arithmetic number, because the mean of its divisors is an integer number (11415529).

Almost surely, 2^22831057 is an apocalyptic number.

It is an amenable number.

22831057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22831057 is an equidigital number, since it uses as much as digits as its factorization.

22831057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 22831057 is about 4778.1855342797. The cubic root of 22831057 is about 283.6886797182.

Adding to 22831057 its reverse (75013822), we get a palindrome (97844879).

The spelling of 22831057 in words is "twenty-two million, eight hundred thirty-one thousand, fifty-seven".