22260513 has 16 divisors (see below), whose sum is σ = 32486400. Its totient is φ = 13446480.

The previous prime is 22260509. The next prime is 22260521. The reversal of 22260513 is 31506222.

It is not a de Polignac number, because 22260513 - 2² = 22260509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22260513.

It is not an unprimeable number, because it can be changed into a prime (22260503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10908 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (2030400).

Almost surely, 2^22260513 is an apocalyptic number.

It is an amenable number.

22260513 is a deficient number, since it is larger than the sum of its proper divisors (10225887).

22260513 is a wasteful number, since it uses less digits than its factorization.

22260513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22260513 is about 4718.1048101966. The cubic root of 22260513 is about 281.3056075727.

Adding to 22260513 its reverse (31506222), we get a palindrome (53766735).

The spelling of 22260513 in words is "twenty-two million, two hundred sixty thousand, five hundred thirteen".