7226775 has 18 divisors (see below), whose sum is σ = 12944360. Its totient is φ = 3854160.

The previous prime is 7226759. The next prime is 7226831. The reversal of 7226775 is 5776227.

It is not a de Polignac number, because 7226775 - 2⁴ = 7226759 is a prime.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 15835 + ... + 16284.

Almost surely, 2^7226775 is an apocalyptic number.

7226775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7226775 is a deficient number, since it is larger than the sum of its proper divisors (5717585).

7226775 is a wasteful number, since it uses less digits than its factorization.

7226775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32135 (or 32127 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 7226775 is about 2688.2661698574. The cubic root of 7226775 is about 193.3369417347.

It can be divided in two parts, 7226 and 775, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 7226775 in words is "seven million, two hundred twenty-six thousand, seven hundred seventy-five".