22520327 has 4 divisors (see below), whose sum is σ = 23296920. Its totient is φ = 21743736.

The previous prime is 22520321. The next prime is 22520387. The reversal of 22520327 is 72302522.

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

It is not a de Polignac number, because 22520327 - 2¹⁶ = 22454791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388253 + ... + 388310.

It is an arithmetic number, because the mean of its divisors is an integer number (5824230).

Almost surely, 2^22520327 is an apocalyptic number.

22520327 is a deficient number, since it is larger than the sum of its proper divisors (776593).

22520327 is an equidigital number, since it uses as much as digits as its factorization.

22520327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776592.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22520327 is about 4745.5586604740. The cubic root of 22520327 is about 282.3957983616.

Adding to 22520327 its reverse (72302522), we get a palindrome (94822849).

The spelling of 22520327 in words is "twenty-two million, five hundred twenty thousand, three hundred twenty-seven".