22647133 has 2 divisors, whose sum is σ = 22647134. Its totient is φ = 22647132.

The previous prime is 22647113. The next prime is 22647137. The reversal of 22647133 is 33174622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21141604 + 1505529 = 4598^2 + 1227^2 .

It is a cyclic number.

It is not a de Polignac number, because 22647133 - 2⁵ = 22647101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22647137) 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 as a sum of consecutive naturals, namely, 11323566 + 11323567.

It is an arithmetic number, because the mean of its divisors is an integer number (11323567).

Almost surely, 2^22647133 is an apocalyptic number.

It is an amenable number.

22647133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22647133 is an equidigital number, since it uses as much as digits as its factorization.

22647133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 22647133 is about 4758.9003982012. The cubic root of 22647133 is about 282.9248386346.

The spelling of 22647133 in words is "twenty-two million, six hundred forty-seven thousand, one hundred thirty-three".