117223491 has 16 divisors (see below), whose sum is σ = 194865408. Its totient is φ = 60895200.

The previous prime is 117223459. The next prime is 117223543. The reversal of 117223491 is 194322711.

It is not a de Polignac number, because 117223491 - 2⁵ = 117223459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117223441) 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, 253500 + ... + 253961.

It is an arithmetic number, because the mean of its divisors is an integer number (12179088).

Almost surely, 2^117223491 is an apocalyptic number.

117223491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117223491 is a deficient number, since it is larger than the sum of its proper divisors (77641917).

117223491 is a wasteful number, since it uses less digits than its factorization.

117223491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507482.

The product of its digits is 3024, while the sum is 30.

The square root of 117223491 is about 10826.9797727714. The cubic root of 117223491 is about 489.4085477965.

The spelling of 117223491 in words is "one hundred seventeen million, two hundred twenty-three thousand, four hundred ninety-one".