7223208 has 16 divisors (see below), whose sum is σ = 18058080. Its totient is φ = 2407728.

The previous prime is 7223201. The next prime is 7223221. The reversal of 7223208 is 8023227.

It is a super-2 number, since 2×7223208² = 104349467622528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 300967 = 7223208 / (7 + 2 + 2 + 3 + 2 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (7223201) 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, 150460 + ... + 150507.

It is an arithmetic number, because the mean of its divisors is an integer number (1128630).

Almost surely, 2^7223208 is an apocalyptic number.

It is an amenable number.

7223208 is an abundant number, since it is smaller than the sum of its proper divisors (10834872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7223208 is a wasteful number, since it uses less digits than its factorization.

7223208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300976 (or 300972 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7223208 is about 2687.6026492024. The cubic root of 7223208 is about 193.3051273424.

The spelling of 7223208 in words is "seven million, two hundred twenty-three thousand, two hundred eight".