22326406 has 36 divisors (see below), whose sum is σ = 37897308. Its totient is φ = 9860544.

The previous prime is 22326401. The next prime is 22326431. The reversal of 22326406 is 60462322.

It is a happy number.

It is a super-3 number, since 3×22326406³ (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 (22326401) 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 17 ways as a sum of consecutive naturals, for example, 208605 + ... + 208711.

It is an arithmetic number, because the mean of its divisors is an integer number (1052703).

Almost surely, 2^22326406 is an apocalyptic number.

22326406 is a deficient number, since it is larger than the sum of its proper divisors (15570902).

22326406 is a wasteful number, since it uses less digits than its factorization.

22326406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 22326406 is about 4725.0826447799. The cubic root of 22326406 is about 281.5828969441.

Adding to 22326406 its reverse (60462322), we get a palindrome (82788728).

The spelling of 22326406 in words is "twenty-two million, three hundred twenty-six thousand, four hundred six".