7906222 has 8 divisors (see below), whose sum is σ = 12083256. Its totient is φ = 3878472.

The previous prime is 7906211. The next prime is 7906229. The reversal of 7906222 is 2226097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7906229) 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, 37188 + ... + 37399.

It is an arithmetic number, because the mean of its divisors is an integer number (1510407).

Almost surely, 2^7906222 is an apocalyptic number.

7906222 is a deficient number, since it is larger than the sum of its proper divisors (4177034).

7906222 is a wasteful number, since it uses less digits than its factorization.

7906222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74642.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7906222 is about 2811.8004907888. The cubic root of 7906222 is about 199.2154430429.

It can be divided in two parts, 7906 and 222, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 7906222 in words is "seven million, nine hundred six thousand, two hundred twenty-two".