117742226 has 16 divisors (see below), whose sum is σ = 202320384. Its totient is φ = 50341824.

The previous prime is 117742199. The next prime is 117742231. The reversal of 117742226 is 622247711.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117742192 and 117742201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650 + ... + 15773.

It is an arithmetic number, because the mean of its divisors is an integer number (12645024).

Almost surely, 2^117742226 is an apocalyptic number.

117742226 is a deficient number, since it is larger than the sum of its proper divisors (84578158).

117742226 is a wasteful number, since it uses less digits than its factorization.

117742226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19865.

The product of its digits is 9408, while the sum is 32.

The square root of 117742226 is about 10850.9089941811. The cubic root of 117742226 is about 490.1293924566.

Adding to 117742226 its reverse (622247711), we get a palindrome (739989937).

The spelling of 117742226 in words is "one hundred seventeen million, seven hundred forty-two thousand, two hundred twenty-six".