22309413 has 16 divisors (see below), whose sum is σ = 34062336. Its totient is φ = 12723120.

The previous prime is 22309387. The next prime is 22309421. The reversal of 22309413 is 31490322.

It is not a de Polignac number, because 22309413 - 2⁹ = 22308901 is a prime.

It is a super-3 number, since 3×22309413³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22309013) 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 in 15 ways as a sum of consecutive naturals, for example, 17508 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (2128896).

Almost surely, 2^22309413 is an apocalyptic number.

It is an amenable number.

22309413 is a deficient number, since it is larger than the sum of its proper divisors (11752923).

22309413 is a wasteful number, since it uses less digits than its factorization.

22309413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 22309413 is about 4723.2841328889. The cubic root of 22309413 is about 281.5114396654.

Adding to 22309413 its reverse (31490322), we get a palindrome (53799735).

It can be divided in two parts, 22309 and 413, that added together give a palindrome (22722).

The spelling of 22309413 in words is "twenty-two million, three hundred nine thousand, four hundred thirteen".