2231161226 has 96 divisors (see below), whose sum is σ = 4280470272. Its totient is φ = 851235840.

The previous prime is 2231161217. The next prime is 2231161259. The reversal of 2231161226 is 6221611322.

It is a happy number.

It is a super-3 number, since 3×2231161226³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231161195 and 2231161204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14211140 + ... + 14211296.

It is an arithmetic number, because the mean of its divisors is an integer number (44588232).

Almost surely, 2^2231161226 is an apocalyptic number.

2231161226 is a deficient number, since it is larger than the sum of its proper divisors (2049309046).

2231161226 is a wasteful number, since it uses less digits than its factorization.

2231161226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 283 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 2231161226 is about 47235.1693762180. The cubic root of 2231161226 is about 1306.7032902960.

Adding to 2231161226 its reverse (6221611322), we get a palindrome (8452772548).

The spelling of 2231161226 in words is "two billion, two hundred thirty-one million, one hundred sixty-one thousand, two hundred twenty-six".