22356005 has 12 divisors (see below), whose sum is σ = 31207500. Its totient is φ = 15329664.

The previous prime is 22355987. The next prime is 22356011. The reversal of 22356005 is 50065322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2660161 + 19695844 = 1631^2 + 4438^2 .

It is not a de Polignac number, because 22356005 - 2⁶ = 22355941 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45380 + ... + 45869.

It is an arithmetic number, because the mean of its divisors is an integer number (2600625).

Almost surely, 2^22356005 is an apocalyptic number.

It is an amenable number.

22356005 is a deficient number, since it is larger than the sum of its proper divisors (8851495).

22356005 is an equidigital number, since it uses as much as digits as its factorization.

22356005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91268 (or 91261 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 22356005 is about 4728.2137219039. The cubic root of 22356005 is about 281.7072771917.

The spelling of 22356005 in words is "twenty-two million, three hundred fifty-six thousand, five".