7223996 has 12 divisors (see below), whose sum is σ = 13614552. Its totient is φ = 3334128.

The previous prime is 7223981. The next prime is 7223999. The reversal of 7223996 is 6993227.

It is a super-2 number, since 2×7223996² = 104372236416032, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁷ + 2¹³ + 2¹³ + 3¹³ + 9⁴ + 9⁷ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69410 + ... + 69513.

It is an arithmetic number, because the mean of its divisors is an integer number (1134546).

Almost surely, 2^7223996 is an apocalyptic number.

It is an amenable number.

7223996 is a deficient number, since it is larger than the sum of its proper divisors (6390556).

7223996 is a wasteful number, since it uses less digits than its factorization.

7223996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138940 (or 138938 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 7223996 is about 2687.7492442562. The cubic root of 7223996 is about 193.3121564861.

The spelling of 7223996 in words is "seven million, two hundred twenty-three thousand, nine hundred ninety-six".