7224666 has 16 divisors (see below), whose sum is σ = 14499264. Its totient is φ = 2399904.

The previous prime is 7224661. The next prime is 7224667. The reversal of 7224666 is 6664227.

It is not an unprimeable number, because it can be changed into a prime (7224661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 3801.

It is an arithmetic number, because the mean of its divisors is an integer number (906204).

Almost surely, 2^7224666 is an apocalyptic number.

7224666 is an abundant number, since it is smaller than the sum of its proper divisors (7274598).

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

7224666 is a wasteful number, since it uses less digits than its factorization.

7224666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165.

The product of its digits is 24192, while the sum is 33.

The square root of 7224666 is about 2687.8738809699. The cubic root of 7224666 is about 193.3181326403.

It can be divided in two parts, 7224 and 666, that multiplied together give a palindrome (4811184).

The spelling of 7224666 in words is "seven million, two hundred twenty-four thousand, six hundred sixty-six".