7226557 has 8 divisors (see below), whose sum is σ = 7803936. Its totient is φ = 6652272.

The previous prime is 7226521. The next prime is 7226563. The reversal of 7226557 is 7556227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7226557 - 2¹⁵ = 7193789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7226567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7158 + ... + 8104.

It is an arithmetic number, because the mean of its divisors is an integer number (975492).

Almost surely, 2^7226557 is an apocalyptic number.

It is an amenable number.

7226557 is a deficient number, since it is larger than the sum of its proper divisors (577379).

7226557 is a wasteful number, since it uses less digits than its factorization.

7226557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547.

The product of its digits is 29400, while the sum is 34.

The square root of 7226557 is about 2688.2256229714. The cubic root of 7226557 is about 193.3349976736.

The spelling of 7226557 in words is "seven million, two hundred twenty-six thousand, five hundred fifty-seven".