22409343 has 12 divisors (see below), whose sum is σ = 35311848. Its totient is φ = 13581360.

The previous prime is 22409333. The next prime is 22409347. The reversal of 22409343 is 34390422.

It is a happy number.

It is not a de Polignac number, because 22409343 - 2⁴ = 22409327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22409347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113080 + ... + 113277.

It is an arithmetic number, because the mean of its divisors is an integer number (2942654).

Almost surely, 2^22409343 is an apocalyptic number.

22409343 is a deficient number, since it is larger than the sum of its proper divisors (12902505).

22409343 is a wasteful number, since it uses less digits than its factorization.

22409343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226374 (or 226371 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 22409343 is about 4733.8507581038. The cubic root of 22409343 is about 281.9311360444.

Adding to 22409343 its reverse (34390422), we get a palindrome (56799765).

The spelling of 22409343 in words is "twenty-two million, four hundred nine thousand, three hundred forty-three".