22432057 has 2 divisors, whose sum is σ = 22432058. Its totient is φ = 22432056.

The previous prime is 22432037. The next prime is 22432063. The reversal of 22432057 is 75023422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14258176 + 8173881 = 3776^2 + 2859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22432057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22432037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11216028 + 11216029.

It is an arithmetic number, because the mean of its divisors is an integer number (11216029).

Almost surely, 2^22432057 is an apocalyptic number.

It is an amenable number.

22432057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22432057 is an equidigital number, since it uses as much as digits as its factorization.

22432057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22432057 is about 4736.2492544206. The cubic root of 22432057 is about 282.0263585509.

Adding to 22432057 its reverse (75023422), we get a palindrome (97455479).

The spelling of 22432057 in words is "twenty-two million, four hundred thirty-two thousand, fifty-seven".