22514513 has 4 divisors (see below), whose sum is σ = 25730880. Its totient is φ = 19298148.

The previous prime is 22514501. The next prime is 22514519. The reversal of 22514513 is 31541522.

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 an emirpimes, since its reverse is a distinct semiprime: 31541522 = 2 ⋅15770761.

It is a cyclic number.

It is not a de Polignac number, because 22514513 - 2⁸ = 22514257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22514519) 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, 1608173 + ... + 1608186.

It is an arithmetic number, because the mean of its divisors is an integer number (6432720).

Almost surely, 2^22514513 is an apocalyptic number.

It is an amenable number.

22514513 is a deficient number, since it is larger than the sum of its proper divisors (3216367).

22514513 is an equidigital number, since it uses as much as digits as its factorization.

22514513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216366.

The product of its digits is 1200, while the sum is 23.

The square root of 22514513 is about 4744.9460481654. The cubic root of 22514513 is about 282.3714945333.

The spelling of 22514513 in words is "twenty-two million, five hundred fourteen thousand, five hundred thirteen".