22420003 has 2 divisors, whose sum is σ = 22420004. Its totient is φ = 22420002.

The previous prime is 22419983. The next prime is 22420033. The reversal of 22420003 is 30002422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22420003 - 2⁹ = 22419491 is a prime.

It is not a weakly prime, because it can be changed into another prime (22420033) 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, 11210001 + 11210002.

It is an arithmetic number, because the mean of its divisors is an integer number (11210002).

Almost surely, 2^22420003 is an apocalyptic number.

22420003 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420003 is an equidigital number, since it uses as much as digits as its factorization.

22420003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 22420003 is about 4734.9765574921. The cubic root of 22420003 is about 281.9758333163.

Adding to 22420003 its reverse (30002422), we get a palindrome (52422425).

The spelling of 22420003 in words is "twenty-two million, four hundred twenty thousand, three".