22516073 has 4 divisors (see below), whose sum is σ = 22528128. Its totient is φ = 22504020.

The previous prime is 22516069. The next prime is 22516079. The reversal of 22516073 is 37061522.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22516073 - 2² = 22516069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22516079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561 + ... + 7182.

It is an arithmetic number, because the mean of its divisors is an integer number (5632032).

Almost surely, 2^22516073 is an apocalyptic number.

It is an amenable number.

22516073 is a deficient number, since it is larger than the sum of its proper divisors (12055).

22516073 is an equidigital number, since it uses as much as digits as its factorization.

22516073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 22516073 is about 4745.1104307487. The cubic root of 22516073 is about 282.3780160950.

Adding to 22516073 its reverse (37061522), we get a palindrome (59577595).

The spelling of 22516073 in words is "twenty-two million, five hundred sixteen thousand, seventy-three".