7226240 has 64 divisors (see below), whose sum is σ = 19755360. Its totient is φ = 2476032.

The previous prime is 7226227. The next prime is 7226267. The reversal of 7226240 is 426227.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674 + ... + 5286.

Almost surely, 2^7226240 is an apocalyptic number.

7226240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9877680).

7226240 is an abundant number, since it is smaller than the sum of its proper divisors (12529120).

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

7226240 is a wasteful number, since it uses less digits than its factorization.

7226240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7226240 is about 2688.1666615000. The cubic root of 7226240 is about 193.3321706893.

The spelling of 7226240 in words is "seven million, two hundred twenty-six thousand, two hundred forty".