7222036 has 12 divisors (see below), whose sum is σ = 12812212. Its totient is φ = 3561408.

The previous prime is 7222031. The next prime is 7222037. The reversal of 7222036 is 6302227.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 5317636 = 1380^2 + 2306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7221998 and 7222016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12075 + ... + 12658.

Almost surely, 2^7222036 is an apocalyptic number.

It is an amenable number.

7222036 is a deficient number, since it is larger than the sum of its proper divisors (5590176).

7222036 is a wasteful number, since it uses less digits than its factorization.

7222036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24810 (or 24808 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 7222036 is about 2687.3846021736. The cubic root of 7222036 is about 193.2946718835.

The spelling of 7222036 in words is "seven million, two hundred twenty-two thousand, thirty-six".