22642063 has 2 divisors, whose sum is σ = 22642064. Its totient is φ = 22642062.

The previous prime is 22642013. The next prime is 22642141. The reversal of 22642063 is 36024622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22642063 - 2⁹ = 22641551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22642013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11321031 + 11321032.

It is an arithmetic number, because the mean of its divisors is an integer number (11321032).

Almost surely, 2^22642063 is an apocalyptic number.

22642063 is a deficient number, since it is larger than the sum of its proper divisors (1).

22642063 is an equidigital number, since it uses as much as digits as its factorization.

22642063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 22642063 is about 4758.3676823045. The cubic root of 22642063 is about 282.9037243213.

Adding to 22642063 its reverse (36024622), we get a palindrome (58666685).

The spelling of 22642063 in words is "twenty-two million, six hundred forty-two thousand, sixty-three".