1226643802231 has 8 divisors (see below), whose sum is σ = 1237841982000. Its totient is φ = 1215451638912.

The previous prime is 1226643802207. The next prime is 1226643802247. The reversal of 1226643802231 is 1322083466221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226643802231 - 2¹¹ = 1226643800183 is a prime.

It is a super-2 number, since 2×1226643802231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226643802201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093981 + ... + 1910518.

It is an arithmetic number, because the mean of its divisors is an integer number (154730247750).

Almost surely, 2^{1226643802231} is an apocalyptic number.

1226643802231 is a deficient number, since it is larger than the sum of its proper divisors (11198179769).

1226643802231 is a wasteful number, since it uses less digits than its factorization.

1226643802231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008225.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 1226643802231 in words is "one trillion, two hundred twenty-six billion, six hundred forty-three million, eight hundred two thousand, two hundred thirty-one".