1167226631 has 8 divisors (see below), whose sum is σ = 1185373824. Its totient is φ = 1149100920.

The previous prime is 1167226603. The next prime is 1167226667. The reversal of 1167226631 is 1366227611.

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

It is a de Polignac number, because none of the positive numbers 2^k-1167226631 is a prime.

It is a super-2 number, since 2×1167226631² = 2724836016231220322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1167226591 and 1167226600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167226231) 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, 130406 + ... + 139068.

It is an arithmetic number, because the mean of its divisors is an integer number (148171728).

Almost surely, 2^1167226631 is an apocalyptic number.

1167226631 is a deficient number, since it is larger than the sum of its proper divisors (18147193).

1167226631 is an equidigital number, since it uses as much as digits as its factorization.

1167226631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741.

The product of its digits is 18144, while the sum is 35.

The square root of 1167226631 is about 34164.6986083589. The cubic root of 1167226631 is about 1052.8949981984.

The spelling of 1167226631 in words is "one billion, one hundred sixty-seven million, two hundred twenty-six thousand, six hundred thirty-one".