7222006 has 16 divisors (see below), whose sum is σ = 11919888. Its totient is φ = 3281520.

The previous prime is 7222001. The next prime is 7222009. The reversal of 7222006 is 6002227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (744993).

Almost surely, 2^7222006 is an apocalyptic number.

7222006 is a deficient number, since it is larger than the sum of its proper divisors (4697882).

7222006 is a wasteful number, since it uses less digits than its factorization.

7222006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7222006 is about 2687.3790205328. The cubic root of 7222006 is about 193.2944042374.

The spelling of 7222006 in words is "seven million, two hundred twenty-two thousand, six".