22327560397 has 4 divisors (see below), whose sum is σ = 22332770460. Its totient is φ = 22322350336.

The previous prime is 22327560379. The next prime is 22327560401. The reversal of 22327560397 is 79306572322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20292287401 + 2035272996 = 142451^2 + 45114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22327560397 is a prime.

It is a super-3 number, since 3×22327560397³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22327560377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598598 + ... + 2607175.

It is an arithmetic number, because the mean of its divisors is an integer number (5583192615).

Almost surely, 2^22327560397 is an apocalyptic number.

It is an amenable number.

22327560397 is a deficient number, since it is larger than the sum of its proper divisors (5210063).

22327560397 is an equidigital number, since it uses as much as digits as its factorization.

22327560397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210062.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 22327560397 in words is "twenty-two billion, three hundred twenty-seven million, five hundred sixty thousand, three hundred ninety-seven".