7223660 has 12 divisors (see below), whose sum is σ = 15169728. Its totient is φ = 2889456.

The previous prime is 7223659. The next prime is 7223683. The reversal of 7223660 is 663227.

It is an unprimeable number.

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, 180572 + ... + 180611.

It is an arithmetic number, because the mean of its divisors is an integer number (1264144).

Almost surely, 2^7223660 is an apocalyptic number.

It is an amenable number.

7223660 is an abundant number, since it is smaller than the sum of its proper divisors (7946068).

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

7223660 is a wasteful number, since it uses less digits than its factorization.

7223660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361192 (or 361190 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 7223660 is about 2687.6867376984. The cubic root of 7223660 is about 193.3091593503.

Adding to 7223660 its reverse (663227), we get a palindrome (7886887).

It can be divided in two parts, 72 and 23660, that added together give a palindrome (23732).

The spelling of 7223660 in words is "seven million, two hundred twenty-three thousand, six hundred sixty".