22359081 has 4 divisors (see below), whose sum is σ = 29812112. Its totient is φ = 14906052.

The previous prime is 22359047. The next prime is 22359083. The reversal of 22359081 is 18095322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22359081 - 2⁹ = 22358569 is a prime.

It is a super-2 number, since 2×22359081² = 999857006329122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22359083) 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 3 ways as a sum of consecutive naturals, for example, 3726511 + ... + 3726516.

It is an arithmetic number, because the mean of its divisors is an integer number (7453028).

Almost surely, 2^22359081 is an apocalyptic number.

It is an amenable number.

22359081 is a deficient number, since it is larger than the sum of its proper divisors (7453031).

22359081 is an equidigital number, since it uses as much as digits as its factorization.

22359081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453030.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 22359081 is about 4728.5389921201. The cubic root of 22359081 is about 281.7201967905.

The spelling of 22359081 in words is "twenty-two million, three hundred fifty-nine thousand, eighty-one".