802270443 has 32 divisors (see below), whose sum is σ = 1225046592. Its totient is φ = 462643200.

The previous prime is 802270439. The next prime is 802270451. The reversal of 802270443 is 344072208.

It is not a de Polignac number, because 802270443 - 2² = 802270439 is a prime.

It is a super-2 number, since 2×802270443² = 1287275727422832498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 802270443.

It is not an unprimeable number, because it can be changed into a prime (802270423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157273 + ... + 162293.

It is an arithmetic number, because the mean of its divisors is an integer number (38282706).

Almost surely, 2^802270443 is an apocalyptic number.

802270443 is a deficient number, since it is larger than the sum of its proper divisors (422776149).

802270443 is a wasteful number, since it uses less digits than its factorization.

802270443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 802270443 is about 28324.3789517087. The cubic root of 802270443 is about 929.1951424718.

The spelling of 802270443 in words is "eight hundred two million, two hundred seventy thousand, four hundred forty-three".