843472022 has 4 divisors (see below), whose sum is σ = 1265208036. Its totient is φ = 421736010.

The previous prime is 843472013. The next prime is 843472027. The reversal of 843472022 is 220274348.

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

It is a super-2 number, since 2×843472022² = 1422890103793536968, 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 843472022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843472027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210868004 + ... + 210868007.

It is an arithmetic number, because the mean of its divisors is an integer number (316302009).

Almost surely, 2^843472022 is an apocalyptic number.

843472022 is a deficient number, since it is larger than the sum of its proper divisors (421736014).

843472022 is a wasteful number, since it uses less digits than its factorization.

843472022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421736013.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 843472022 is about 29042.5897949890. The cubic root of 843472022 is about 944.8370040723.

The spelling of 843472022 in words is "eight hundred forty-three million, four hundred seventy-two thousand, twenty-two".