22833157 has 2 divisors, whose sum is σ = 22833158. Its totient is φ = 22833156.

The previous prime is 22833149. The next prime is 22833191. The reversal of 22833157 is 75133822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19351201 + 3481956 = 4399^2 + 1866^2 .

It is a cyclic number.

It is not a de Polignac number, because 22833157 - 2³ = 22833149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22833127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11416578 + 11416579.

It is an arithmetic number, because the mean of its divisors is an integer number (11416579).

Almost surely, 2^22833157 is an apocalyptic number.

It is an amenable number.

22833157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22833157 is an equidigital number, since it uses as much as digits as its factorization.

22833157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 22833157 is about 4778.4052779144. The cubic root of 22833157 is about 283.6973773439.

Adding to 22833157 its reverse (75133822), we get a palindrome (97966979).

The spelling of 22833157 in words is "twenty-two million, eight hundred thirty-three thousand, one hundred fifty-seven".