822230452 has 6 divisors (see below), whose sum is σ = 1438903298. Its totient is φ = 411115224.

The previous prime is 822230443. The next prime is 822230471. The reversal of 822230452 is 254032228.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 419184676 + 403045776 = 20474^2 + 20076^2 .

It is a super-2 number, since 2×822230452² = 1352125832392248608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 822230452.

It is a congruent number.

It is an unprimeable number.

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, 102778803 + ... + 102778810.

Almost surely, 2^822230452 is an apocalyptic number.

It is an amenable number.

822230452 is a deficient number, since it is larger than the sum of its proper divisors (616672846).

822230452 is a wasteful number, since it uses less digits than its factorization.

822230452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205557617 (or 205557615 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 822230452 is about 28674.5610602848. The cubic root of 822230452 is about 936.8380448790.

The spelling of 822230452 in words is "eight hundred twenty-two million, two hundred thirty thousand, four hundred fifty-two".