7122284 has 24 divisors (see below), whose sum is σ = 13888560. Its totient is φ = 3173184.

The previous prime is 7122263. The next prime is 7122289. The reversal of 7122284 is 4822217.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (7122289) by changing a digit.

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, 854 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (578690).

Almost surely, 2^7122284 is an apocalyptic number.

It is an amenable number.

7122284 is a deficient number, since it is larger than the sum of its proper divisors (6766276).

7122284 is a wasteful number, since it uses less digits than its factorization.

7122284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769 (or 4767 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 7122284 is about 2668.7607611024. The cubic root of 7122284 is about 192.4006030960.

The spelling of 7122284 in words is "seven million, one hundred twenty-two thousand, two hundred eighty-four".