7146222 has 16 divisors (see below), whose sum is σ = 15133392. Its totient is φ = 2241920.

The previous prime is 7146203. The next prime is 7146241. The reversal of 7146222 is 2226417.

It is an interprime number because it is at equal distance from previous prime (7146203) and next prime (7146241).

It is a junction number, because it is equal to n+sod(n) for n = 7146192 and 7146201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34929 + ... + 35132.

It is an arithmetic number, because the mean of its divisors is an integer number (945837).

Almost surely, 2^7146222 is an apocalyptic number.

7146222 is an abundant number, since it is smaller than the sum of its proper divisors (7987170).

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

7146222 is a wasteful number, since it uses less digits than its factorization.

7146222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70083.

The product of its digits is 1344, while the sum is 24.

The square root of 7146222 is about 2673.2418521338. The cubic root of 7146222 is about 192.6159148952.

The spelling of 7146222 in words is "seven million, one hundred forty-six thousand, two hundred twenty-two".