22023115 has 4 divisors (see below), whose sum is σ = 26427744. Its totient is φ = 17618488.

The previous prime is 22023091. The next prime is 22023149. The reversal of 22023115 is 51132022.

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

It is a cyclic number.

It is not a de Polignac number, because 22023115 - 2⁵ = 22023083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 2202307 + ... + 2202316.

It is an arithmetic number, because the mean of its divisors is an integer number (6606936).

Almost surely, 2^22023115 is an apocalyptic number.

22023115 is a deficient number, since it is larger than the sum of its proper divisors (4404629).

22023115 is an equidigital number, since it uses as much as digits as its factorization.

22023115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404628.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22023115 is about 4692.8791802048. The cubic root of 22023115 is about 280.3020337753.

Adding to 22023115 its reverse (51132022), we get a palindrome (73155137).

The spelling of 22023115 in words is "twenty-two million, twenty-three thousand, one hundred fifteen".