22423001 has 2 divisors, whose sum is σ = 22423002. Its totient is φ = 22423000.

The previous prime is 22422971. The next prime is 22423019. The reversal of 22423001 is 10032422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19536400 + 2886601 = 4420^2 + 1699^2 .

It is a cyclic number.

It is not a de Polignac number, because 22423001 - 2⁶ = 22422937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22423301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211500 + 11211501.

It is an arithmetic number, because the mean of its divisors is an integer number (11211501).

Almost surely, 2^22423001 is an apocalyptic number.

It is an amenable number.

22423001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22423001 is an equidigital number, since it uses as much as digits as its factorization.

22423001 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 14.

The square root of 22423001 is about 4735.2931271464. The cubic root of 22423001 is about 281.9884013471.

Adding to 22423001 its reverse (10032422), we get a palindrome (32455423).

The spelling of 22423001 in words is "twenty-two million, four hundred twenty-three thousand, one".