22575513 has 8 divisors (see below), whose sum is σ = 30914368. Its totient is φ = 14643504.

The previous prime is 22575503. The next prime is 22575521. The reversal of 22575513 is 31557522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22575513 - 2⁵ = 22575481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22575503) 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 7 ways as a sum of consecutive naturals, for example, 101581 + ... + 101802.

It is an arithmetic number, because the mean of its divisors is an integer number (3864296).

Almost surely, 2^22575513 is an apocalyptic number.

It is an amenable number.

22575513 is a deficient number, since it is larger than the sum of its proper divisors (8338855).

22575513 is a wasteful number, since it uses less digits than its factorization.

22575513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203423.

The product of its digits is 10500, while the sum is 30.

The square root of 22575513 is about 4751.3695920229. The cubic root of 22575513 is about 282.6262802440.

Subtracting 22575513 from its reverse (31557522), we obtain a square (8982009 = 2997²).

The spelling of 22575513 in words is "twenty-two million, five hundred seventy-five thousand, five hundred thirteen".