22326005 has 16 divisors (see below), whose sum is σ = 29157744. Its totient is φ = 16312320.

The previous prime is 22326001. The next prime is 22326023. The reversal of 22326005 is 50062322.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2380849 + 19945156 = 1543^2 + 4466^2 .

It is not a de Polignac number, because 22326005 - 2² = 22326001 is a prime.

It is a super-3 number, since 3×22326005³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22326001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4535 + ... + 8075.

It is an arithmetic number, because the mean of its divisors is an integer number (1822359).

Almost surely, 2^22326005 is an apocalyptic number.

It is an amenable number.

22326005 is a deficient number, since it is larger than the sum of its proper divisors (6831739).

22326005 is a wasteful number, since it uses less digits than its factorization.

22326005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22326005 is about 4725.0402114691. The cubic root of 22326005 is about 281.5812111165.

Adding to 22326005 its reverse (50062322), we get a palindrome (72388327).

The spelling of 22326005 in words is "twenty-two million, three hundred twenty-six thousand, five".