22484747 has 2 divisors, whose sum is σ = 22484748. Its totient is φ = 22484746.

The previous prime is 22484719. The next prime is 22484801. The reversal of 22484747 is 74748422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22484747 - 2⁸ = 22484491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22484747.

It is not a weakly prime, because it can be changed into another prime (22484717) 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, 11242373 + 11242374.

It is an arithmetic number, because the mean of its divisors is an integer number (11242374).

Almost surely, 2^22484747 is an apocalyptic number.

22484747 is a deficient number, since it is larger than the sum of its proper divisors (1).

22484747 is an equidigital number, since it uses as much as digits as its factorization.

22484747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100352, while the sum is 38.

The square root of 22484747 is about 4741.8084103009. The cubic root of 22484747 is about 282.2470003654.

The spelling of 22484747 in words is "twenty-two million, four hundred eighty-four thousand, seven hundred forty-seven".