118222097 has 12 divisors (see below), whose sum is σ = 143528640. Its totient is φ = 95370816.

The previous prime is 118222073. The next prime is 118222187. The reversal of 118222097 is 790222811.

It is a happy number.

It is not a de Polignac number, because 118222097 - 2²⁶ = 51113233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118222037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27197 + ... + 31242.

It is an arithmetic number, because the mean of its divisors is an integer number (11960720).

Almost surely, 2^118222097 is an apocalyptic number.

118222097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

118222097 is a deficient number, since it is larger than the sum of its proper divisors (25306543).

118222097 is an equidigital number, since it uses as much as digits as its factorization.

118222097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58480 (or 58463 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 118222097 is about 10872.9985284649. The cubic root of 118222097 is about 490.7943481120.

Adding to 118222097 its sum of digits (32), we get a square (118222129 = 10873²).

The spelling of 118222097 in words is "one hundred eighteen million, two hundred twenty-two thousand, ninety-seven".