22284971 has 2 divisors, whose sum is σ = 22284972. Its totient is φ = 22284970.

The previous prime is 22284961. The next prime is 22284979. The reversal of 22284971 is 17948222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22284971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22284979) 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 as a sum of consecutive naturals, namely, 11142485 + 11142486.

It is an arithmetic number, because the mean of its divisors is an integer number (11142486).

Almost surely, 2^22284971 is an apocalyptic number.

22284971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22284971 is an equidigital number, since it uses as much as digits as its factorization.

22284971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 22284971 is about 4720.6960291889. The cubic root of 22284971 is about 281.4085949312.

The spelling of 22284971 in words is "twenty-two million, two hundred eighty-four thousand, nine hundred seventy-one".