7222706 has 8 divisors (see below), whose sum is σ = 10956060. Its totient is φ = 3570688.

The previous prime is 7222687. The next prime is 7222723. The reversal of 7222706 is 6072227.

It can be written as a sum of positive squares in 2 ways, for example, as 7155625 + 67081 = 2675^2 + 259^2 .

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

It is an unprimeable number.

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, 20111 + ... + 20466.

Almost surely, 2^7222706 is an apocalyptic number.

7222706 is a deficient number, since it is larger than the sum of its proper divisors (3733354).

7222706 is a wasteful number, since it uses less digits than its factorization.

7222706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40668.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 7222706 is about 2687.5092557980. The cubic root of 7222706 is about 193.3006491188.

The spelling of 7222706 in words is "seven million, two hundred twenty-two thousand, seven hundred six".