22266513 has 6 divisors (see below), whose sum is σ = 32162754. Its totient is φ = 14844336.

The previous prime is 22266511. The next prime is 22266521. The reversal of 22266513 is 31566222.

22266513 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 651 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15233409 + 7033104 = 3903^2 + 2652^2 .

It is not a de Polignac number, because 22266513 - 2¹ = 22266511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22266511) 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 5 ways as a sum of consecutive naturals, for example, 1237020 + ... + 1237037.

It is an arithmetic number, because the mean of its divisors is an integer number (5360459).

Almost surely, 2^22266513 is an apocalyptic number.

It is an amenable number.

22266513 is a deficient number, since it is larger than the sum of its proper divisors (9896241).

22266513 is a wasteful number, since it uses less digits than its factorization.

22266513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474063 (or 2474060 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22266513 is about 4718.7406158847. The cubic root of 22266513 is about 281.3308792578.

The spelling of 22266513 in words is "twenty-two million, two hundred sixty-six thousand, five hundred thirteen".