22352423 has 2 divisors, whose sum is σ = 22352424. Its totient is φ = 22352422.

The previous prime is 22352419. The next prime is 22352431. The reversal of 22352423 is 32425322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22352423 - 2² = 22352419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22352443) 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, 11176211 + 11176212.

It is an arithmetic number, because the mean of its divisors is an integer number (11176212).

Almost surely, 2^22352423 is an apocalyptic number.

22352423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22352423 is an equidigital number, since it uses as much as digits as its factorization.

22352423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 23.

The square root of 22352423 is about 4727.8349167457. The cubic root of 22352423 is about 281.6922308337.

Adding to 22352423 its reverse (32425322), we get a palindrome (54777745).

The spelling of 22352423 in words is "twenty-two million, three hundred fifty-two thousand, four hundred twenty-three".