22420063 has 2 divisors, whose sum is σ = 22420064. Its totient is φ = 22420062.

The previous prime is 22420033. The next prime is 22420087. The reversal of 22420063 is 36002422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22420063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22420003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210031 + 11210032.

It is an arithmetic number, because the mean of its divisors is an integer number (11210032).

Almost surely, 2^22420063 is an apocalyptic number.

22420063 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420063 is an equidigital number, since it uses as much as digits as its factorization.

22420063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22420063 is about 4734.9828933165. The cubic root of 22420063 is about 281.9760848555.

Adding to 22420063 its reverse (36002422), we get a palindrome (58422485).

The spelling of 22420063 in words is "twenty-two million, four hundred twenty thousand, sixty-three".