7226289 has 24 divisors (see below), whose sum is σ = 12559040. Its totient is φ = 3911328.

The previous prime is 7226281. The next prime is 7226321. The reversal of 7226289 is 9826227.

7226289 is a `hidden beast` number, since 7 + 22 + 628 + 9 = 666.

7226289 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7226289 - 2³ = 7226281 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7226281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1822 + ... + 4215.

Almost surely, 2^7226289 is an apocalyptic number.

It is an amenable number.

7226289 is a deficient number, since it is larger than the sum of its proper divisors (5332751).

7226289 is a wasteful number, since it uses less digits than its factorization.

7226289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069 (or 6066 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 7226289 is about 2688.1757755028. The cubic root of 7226289 is about 193.3326076733.

The spelling of 7226289 in words is "seven million, two hundred twenty-six thousand, two hundred eighty-nine".