22300457 has 2 divisors, whose sum is σ = 22300458. Its totient is φ = 22300456.

The previous prime is 22300451. The next prime is 22300459. The reversal of 22300457 is 75400322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 8934121 = 3656^2 + 2989^2 .

It is a cyclic number.

It is not a de Polignac number, because 22300457 - 2⁶ = 22300393 is a prime.

Together with 22300459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22300451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150228 + 11150229.

It is an arithmetic number, because the mean of its divisors is an integer number (11150229).

Almost surely, 2^22300457 is an apocalyptic number.

It is an amenable number.

22300457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22300457 is an equidigital number, since it uses as much as digits as its factorization.

22300457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22300457 is about 4722.3359685647. The cubic root of 22300457 is about 281.4737641798.

Adding to 22300457 its reverse (75400322), we get a palindrome (97700779).

The spelling of 22300457 in words is "twenty-two million, three hundred thousand, four hundred fifty-seven".