679122212 has 12 divisors (see below), whose sum is σ = 1204744716. Its totient is φ = 334909440.

The previous prime is 679122181. The next prime is 679122217. The reversal of 679122212 is 212221976.

It can be written as a sum of positive squares in 2 ways, for example, as 222188836 + 456933376 = 14906^2 + 21376^2 .

It is a super-2 number, since 2×679122212² = 922413957663545888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679122217) 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, 1162589 + ... + 1163172.

It is an arithmetic number, because the mean of its divisors is an integer number (100395393).

Almost surely, 2^679122212 is an apocalyptic number.

It is an amenable number.

679122212 is a deficient number, since it is larger than the sum of its proper divisors (525622504).

679122212 is a wasteful number, since it uses less digits than its factorization.

679122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325838 (or 2325836 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 679122212 is about 26059.9733691345. The cubic root of 679122212 is about 878.9873906859.

The spelling of 679122212 in words is "six hundred seventy-nine million, one hundred twenty-two thousand, two hundred twelve".