7822431212 has 12 divisors (see below), whose sum is σ = 13764887136. Its totient is φ = 3889606320.

The previous prime is 7822431191. The next prime is 7822431223. The reversal of 7822431212 is 2121342287.

It is a super-2 number, since 2×7822431212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5401508 + ... + 5402955.

It is an arithmetic number, because the mean of its divisors is an integer number (1147073928).

Almost surely, 2^7822431212 is an apocalyptic number.

It is an amenable number.

7822431212 is a deficient number, since it is larger than the sum of its proper divisors (5942455924).

7822431212 is a wasteful number, since it uses less digits than its factorization.

7822431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804648 (or 10804646 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 7822431212 is about 88444.5092247111. The cubic root of 7822431212 is about 1985.0917491489.

Adding to 7822431212 its reverse (2121342287), we get a palindrome (9943773499).

The spelling of 7822431212 in words is "seven billion, eight hundred twenty-two million, four hundred thirty-one thousand, two hundred twelve".