7066224 has 80 divisors (see below), whose sum is σ = 22141440. Its totient is φ = 2139840.

The previous prime is 7066207. The next prime is 7066249. The reversal of 7066224 is 4226607.

7066224 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4009 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (276768).

Almost surely, 2^7066224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7066224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11070720).

7066224 is an abundant number, since it is smaller than the sum of its proper divisors (15075216).

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

7066224 is a wasteful number, since it uses less digits than its factorization.

7066224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 7066224 is about 2658.2370097491. The cubic root of 7066224 is about 191.8944732612.

The spelling of 7066224 in words is "seven million, sixty-six thousand, two hundred twenty-four".