22515014 has 4 divisors (see below), whose sum is σ = 33772524. Its totient is φ = 11257506.

The previous prime is 22515013. The next prime is 22515043. The reversal of 22515014 is 41051522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41051522 = 2 ⋅20525761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515011) 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 as a sum of consecutive naturals, namely, 5628752 + ... + 5628755.

It is an arithmetic number, because the mean of its divisors is an integer number (8443131).

Almost surely, 2^22515014 is an apocalyptic number.

22515014 is a deficient number, since it is larger than the sum of its proper divisors (11257510).

22515014 is a wasteful number, since it uses less digits than its factorization.

22515014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257509.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 22515014 is about 4744.9988408850. The cubic root of 22515014 is about 282.3735889908.

Adding to 22515014 its reverse (41051522), we get a palindrome (63566536).

The spelling of 22515014 in words is "twenty-two million, five hundred fifteen thousand, fourteen".