22041513 has 12 divisors (see below), whose sum is σ = 34286980. Its totient is φ = 13563936.

The previous prime is 22041497. The next prime is 22041517. The reversal of 22041513 is 31514022.

It can be written as a sum of positive squares in 2 ways, for example, as 13816089 + 8225424 = 3717^2 + 2868^2 .

It is not a de Polignac number, because 22041513 - 2⁴ = 22041497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22041517) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 94078 + ... + 94311.

Almost surely, 2^22041513 is an apocalyptic number.

It is an amenable number.

22041513 is a deficient number, since it is larger than the sum of its proper divisors (12245467).

22041513 is a wasteful number, since it uses less digits than its factorization.

22041513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188408 (or 188405 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22041513 is about 4694.8389748744. The cubic root of 22041513 is about 280.3800663552.

Adding to 22041513 its reverse (31514022), we get a palindrome (53555535).

The spelling of 22041513 in words is "twenty-two million, forty-one thousand, five hundred thirteen".