7879222 has 16 divisors (see below), whose sum is σ = 12806640. Its totient is φ = 3614112.

The previous prime is 7879219. The next prime is 7879237. The reversal of 7879222 is 2229787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3808 + ... + 5500.

It is an arithmetic number, because the mean of its divisors is an integer number (800415).

Almost surely, 2^7879222 is an apocalyptic number.

7879222 is a deficient number, since it is larger than the sum of its proper divisors (4927418).

7879222 is a wasteful number, since it uses less digits than its factorization.

7879222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887.

The product of its digits is 28224, while the sum is 37.

The square root of 7879222 is about 2806.9951905908. The cubic root of 7879222 is about 198.9884087084.

The spelling of 7879222 in words is "seven million, eight hundred seventy-nine thousand, two hundred twenty-two".