7531226 has 4 divisors (see below), whose sum is σ = 11296842. Its totient is φ = 3765612.

The previous prime is 7531217. The next prime is 7531231. The reversal of 7531226 is 6221357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6221357 = 337 ⋅18461.

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 900601 = 2575^2 + 949^2 .

It is a d-powerful number, because it can be written as 7³ + 5⁶ + 3¹⁴ + 1 + 2¹² + 2²⁰ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 7531195 and 7531204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882805 + ... + 1882808.

Almost surely, 2^7531226 is an apocalyptic number.

7531226 is a deficient number, since it is larger than the sum of its proper divisors (3765616).

7531226 is a wasteful number, since it uses less digits than its factorization.

7531226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765615.

The product of its digits is 2520, while the sum is 26.

The square root of 7531226 is about 2744.3079273289. The cubic root of 7531226 is about 196.0146629319.

The spelling of 7531226 in words is "seven million, five hundred thirty-one thousand, two hundred twenty-six".