7158226 has 8 divisors (see below), whose sum is σ = 10784124. Its totient is φ = 3563520.

The previous prime is 7158223. The next prime is 7158227. The reversal of 7158226 is 6228517.

It can be written as a sum of positive squares in 2 ways, for example, as 7155625 + 2601 = 2675^2 + 51^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7158223) 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 3 ways as a sum of consecutive naturals, for example, 7215 + ... + 8146.

Almost surely, 2^7158226 is an apocalyptic number.

7158226 is a deficient number, since it is larger than the sum of its proper divisors (3625898).

7158226 is a wasteful number, since it uses less digits than its factorization.

7158226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15596.

The product of its digits is 6720, while the sum is 31.

The square root of 7158226 is about 2675.4861240530. The cubic root of 7158226 is about 192.7237046250.

The spelling of 7158226 in words is "seven million, one hundred fifty-eight thousand, two hundred twenty-six".