7005222 has 48 divisors (see below), whose sum is σ = 17690400. Its totient is φ = 1961856.

The previous prime is 7005203. The next prime is 7005227. The reversal of 7005222 is 2225007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7005195 and 7005204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7005227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6154 + ... + 7202.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 2^7005222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7005222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8845200).

7005222 is an abundant number, since it is smaller than the sum of its proper divisors (10685178).

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

7005222 is a wasteful number, since it uses less digits than its factorization.

7005222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7005222 is about 2646.7379923219. The cubic root of 7005222 is about 191.3406746756.

It can be divided in two parts, 7005 and 222, that added together give a palindrome (7227).

The spelling of 7005222 in words is "seven million, five thousand, two hundred twenty-two".