117712222 has 4 divisors (see below), whose sum is σ = 176568336. Its totient is φ = 58856110.

The previous prime is 117712193. The next prime is 117712237. The reversal of 117712222 is 222217711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29428054 + ... + 29428057.

It is an arithmetic number, because the mean of its divisors is an integer number (44142084).

Almost surely, 2^117712222 is an apocalyptic number.

117712222 is a deficient number, since it is larger than the sum of its proper divisors (58856114).

117712222 is an equidigital number, since it uses as much as digits as its factorization.

117712222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58856113.

The product of its digits is 784, while the sum is 25.

The square root of 117712222 is about 10849.5263491085. The cubic root of 117712222 is about 490.0877560442.

Adding to 117712222 its reverse (222217711), we get a palindrome (339929933).

It can be divided in two parts, 11771 and 2222, that multiplied together give a palindrome (26155162).

The spelling of 117712222 in words is "one hundred seventeen million, seven hundred twelve thousand, two hundred twenty-two".