7226140 has 36 divisors (see below), whose sum is σ = 15886584. Its totient is φ = 2760736.

The previous prime is 7226123. The next prime is 7226159. The reversal of 7226140 is 416227.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10239 + ... + 10921.

It is an arithmetic number, because the mean of its divisors is an integer number (441294).

Almost surely, 2^7226140 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 7226140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7943292).

7226140 is an abundant number, since it is smaller than the sum of its proper divisors (8660444).

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

7226140 is a wasteful number, since it uses less digits than its factorization.

7226140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7226140 is about 2688.1480613984. The cubic root of 7226140 is about 193.3312788789.

The spelling of 7226140 in words is "seven million, two hundred twenty-six thousand, one hundred forty".