22352441 has 2 divisors, whose sum is σ = 22352442. Its totient is φ = 22352440.

The previous prime is 22352431. The next prime is 22352443. The reversal of 22352441 is 14425322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21196816 + 1155625 = 4604^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 22352441 - 2²² = 18158137 is a prime.

It is a super-3 number, since 3×22352441³ (a number of 23 digits) contains 333 as substring.

Together with 22352443, it forms a pair of twin primes.

It is a Chen prime.

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, 11176220 + 11176221.

It is an arithmetic number, because the mean of its divisors is an integer number (11176221).

Almost surely, 2^22352441 is an apocalyptic number.

It is an amenable number.

22352441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22352441 is an equidigital number, since it uses as much as digits as its factorization.

22352441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 23.

The square root of 22352441 is about 4727.8368203651. The cubic root of 22352441 is about 281.6923064476.

Adding to 22352441 its reverse (14425322), we get a palindrome (36777763).

The spelling of 22352441 in words is "twenty-two million, three hundred fifty-two thousand, four hundred forty-one".