822263047 has 4 divisors (see below), whose sum is σ = 832671520. Its totient is φ = 811854576.

The previous prime is 822263023. The next prime is 822263053. The reversal of 822263047 is 740362228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 822263047 - 2¹⁹ = 821738759 is a prime.

It is a super-2 number, since 2×822263047² = 1352233036923448418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822263647) 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 in 3 ways as a sum of consecutive naturals, for example, 5204118 + ... + 5204275.

It is an arithmetic number, because the mean of its divisors is an integer number (208167880).

Almost surely, 2^822263047 is an apocalyptic number.

822263047 is a deficient number, since it is larger than the sum of its proper divisors (10408473).

822263047 is a wasteful number, since it uses less digits than its factorization.

822263047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408472.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 822263047 is about 28675.1294155754. The cubic root of 822263047 is about 936.8504241467.

The spelling of 822263047 in words is "eight hundred twenty-two million, two hundred sixty-three thousand, forty-seven".