822472747 has 2 divisors, whose sum is σ = 822472748. Its totient is φ = 822472746.

The previous prime is 822472711. The next prime is 822472759. The reversal of 822472747 is 747274228.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 822472747 - 2⁷ = 822472619 is a prime.

It is a super-2 number, since 2×822472747² = 1352922839115452018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (822475747) 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, 411236373 + 411236374.

It is an arithmetic number, because the mean of its divisors is an integer number (411236374).

Almost surely, 2^822472747 is an apocalyptic number.

822472747 is a deficient number, since it is larger than the sum of its proper divisors (1).

822472747 is an equidigital number, since it uses as much as digits as its factorization.

822472747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 351232, while the sum is 43.

The square root of 822472747 is about 28678.7856611817. The cubic root of 822472747 is about 936.9300583693.

The spelling of 822472747 in words is "eight hundred twenty-two million, four hundred seventy-two thousand, seven hundred forty-seven".