7187226 has 32 divisors (see below), whose sum is σ = 15717888. Its totient is φ = 2181120.

The previous prime is 7187221. The next prime is 7187227. The reversal of 7187226 is 6227817.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7187221) 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 15 ways as a sum of consecutive naturals, for example, 2026 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (491184).

Almost surely, 2^7187226 is an apocalyptic number.

7187226 is an abundant number, since it is smaller than the sum of its proper divisors (8530662).

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

7187226 is a wasteful number, since it uses less digits than its factorization.

7187226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its digits is 9408, while the sum is 33.

The square root of 7187226 is about 2680.9002219404. The cubic root of 7187226 is about 192.9836133814.

The spelling of 7187226 in words is "seven million, one hundred eighty-seven thousand, two hundred twenty-six".