7226609181 has 16 divisors (see below), whose sum is σ = 10564262400. Its totient is φ = 4357750320.

The previous prime is 7226609149. The next prime is 7226609191. The reversal of 7226609181 is 1819066227.

It is not a de Polignac number, because 7226609181 - 2⁵ = 7226609149 is a prime.

It is a super-2 number, since 2×7226609181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7226609141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543655 + ... + 556788.

It is an arithmetic number, because the mean of its divisors is an integer number (660266400).

Almost surely, 2^7226609181 is an apocalyptic number.

It is an amenable number.

7226609181 is a deficient number, since it is larger than the sum of its proper divisors (3337653219).

7226609181 is a wasteful number, since it uses less digits than its factorization.

7226609181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100656.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 7226609181 is about 85009.4652435833. The cubic root of 7226609181 is about 1933.3546301228.

The spelling of 7226609181 in words is "seven billion, two hundred twenty-six million, six hundred nine thousand, one hundred eighty-one".