7226457 has 8 divisors (see below), whose sum is σ = 11011776. Its totient is φ = 4129392.

The previous prime is 7226447. The next prime is 7226467. The reversal of 7226457 is 7546227.

It is an interprime number because it is at equal distance from previous prime (7226447) and next prime (7226467).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7226457 - 2⁸ = 7226201 is a prime.

It is a d-powerful number, because it can be written as 7⁵ + 2¹² + 2²⁰ + 6⁴ + 4⁴ + 5⁸ + 7⁸ .

It is not an unprimeable number, because it can be changed into a prime (7226437) by changing a digit.

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, 172038 + ... + 172079.

It is an arithmetic number, because the mean of its divisors is an integer number (1376472).

Almost surely, 2^7226457 is an apocalyptic number.

It is an amenable number.

7226457 is a deficient number, since it is larger than the sum of its proper divisors (3785319).

7226457 is a wasteful number, since it uses less digits than its factorization.

7226457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344127.

The product of its digits is 23520, while the sum is 33.

The square root of 7226457 is about 2688.2070232778. The cubic root of 7226457 is about 193.3341058894.

The spelling of 7226457 in words is "seven million, two hundred twenty-six thousand, four hundred fifty-seven".