1226130231 has 16 divisors (see below), whose sum is σ = 1657393920. Its totient is φ = 806208000.

The previous prime is 1226130229. The next prime is 1226130289. The reversal of 1226130231 is 1320316221.

It is not a de Polignac number, because 1226130231 - 2¹ = 1226130229 is a prime.

It is a super-2 number, since 2×1226130231² = 3006790686744226722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1226130198 and 1226130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226138231) 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, 69655 + ... + 85463.

It is an arithmetic number, because the mean of its divisors is an integer number (103587120).

Almost surely, 2^1226130231 is an apocalyptic number.

1226130231 is a deficient number, since it is larger than the sum of its proper divisors (431263689).

1226130231 is a wasteful number, since it uses less digits than its factorization.

1226130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16166.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1226130231 is about 35016.1424345972. The cubic root of 1226130231 is about 1070.3164496223.

Adding to 1226130231 its reverse (1320316221), we get a palindrome (2546446452).

The spelling of 1226130231 in words is "one billion, two hundred twenty-six million, one hundred thirty thousand, two hundred thirty-one".