22254513 has 32 divisors (see below), whose sum is σ = 33384960. Its totient is φ = 13117440.

The previous prime is 22254511. The next prime is 22254517. The reversal of 22254513 is 31545222.

It is not a de Polignac number, because 22254513 - 2¹ = 22254511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22254511) 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 31 ways as a sum of consecutive naturals, for example, 60456 + ... + 60822.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^22254513 is an apocalyptic number.

It is an amenable number.

22254513 is a deficient number, since it is larger than the sum of its proper divisors (11130447).

22254513 is a wasteful number, since it uses less digits than its factorization.

22254513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 2400, while the sum is 24.

The square root of 22254513 is about 4717.4689188165. The cubic root of 22254513 is about 281.2803313461.

Adding to 22254513 its reverse (31545222), we get a palindrome (53799735).

The spelling of 22254513 in words is "twenty-two million, two hundred fifty-four thousand, five hundred thirteen".