7505226 has 12 divisors (see below), whose sum is σ = 16261362. Its totient is φ = 2501736.

The previous prime is 7505221. The next prime is 7505227. The reversal of 7505226 is 6225057.

It can be written as a sum of positive squares in only one way, i.e., 5405625 + 2099601 = 2325^2 + 1449^2 .

It is a super-2 number, since 2×7505226² = 112656834622152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7505226.

It is not an unprimeable number, because it can be changed into a prime (7505221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208461 + ... + 208496.

Almost surely, 2^7505226 is an apocalyptic number.

7505226 is an abundant number, since it is smaller than the sum of its proper divisors (8756136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7505226 is a wasteful number, since it uses less digits than its factorization.

7505226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416965 (or 416962 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 7505226 is about 2739.5667540690. The cubic root of 7505226 is about 195.7888361655.

It can be divided in two parts, 75052 and 26, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 7505226 in words is "seven million, five hundred five thousand, two hundred twenty-six".