7228168 has 16 divisors (see below), whose sum is σ = 13739580. Its totient is φ = 3564288.

The previous prime is 7228153. The next prime is 7228183. The reversal of 7228168 is 8618227.

It is an interprime number because it is at equal distance from previous prime (7228153) and next prime (7228183).

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 248004 = 2642^2 + 498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605 + ... + 6772.

Almost surely, 2^7228168 is an apocalyptic number.

It is an amenable number.

7228168 is a deficient number, since it is larger than the sum of its proper divisors (6511412).

7228168 is a wasteful number, since it uses less digits than its factorization.

7228168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456 (or 12452 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 7228168 is about 2688.5252463014. The cubic root of 7228168 is about 193.3493631840.

It can be divided in two parts, 7228 and 168, that added together give a square (7396 = 86²).

The spelling of 7228168 in words is "seven million, two hundred twenty-eight thousand, one hundred sixty-eight".