7226040 has 32 divisors (see below), whose sum is σ = 21678480. Its totient is φ = 1926912.

The previous prime is 7226027. The next prime is 7226057. The reversal of 7226040 is 406227.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7225998 and 7226016.

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 7 ways as a sum of consecutive naturals, for example, 29989 + ... + 30228.

Almost surely, 2^7226040 is an apocalyptic number.

It is an amenable number.

7226040 is an abundant number, since it is smaller than the sum of its proper divisors (14452440).

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

7226040 is a wasteful number, since it uses less digits than its factorization.

7226040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60231 (or 60227 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7226040 is about 2688.1294611681. The cubic root of 7226040 is about 193.3303870604.

The spelling of 7226040 in words is "seven million, two hundred twenty-six thousand, forty".