118222130 has 16 divisors (see below), whose sum is σ = 229169304. Its totient is φ = 43651200.

The previous prime is 118222073. The next prime is 118222187. The reversal of 118222130 is 31222811.

It is a Cunningham number, because it is equal to 10873²+1.

It is an interprime number because it is at equal distance from previous prime (118222073) and next prime (118222187).

It can be written as a sum of positive squares in 4 ways, for example, as 87740689 + 30481441 = 9367^2 + 5521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454571 + ... + 454830.

Almost surely, 2^118222130 is an apocalyptic number.

118222130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118222130 is a deficient number, since it is larger than the sum of its proper divisors (110947174).

118222130 is a wasteful number, since it uses less digits than its factorization.

118222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909421.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 118222130 is about 10873.0000459855. Note that the first 4 decimals coincide. The cubic root of 118222130 is about 490.7943937780.

Adding to 118222130 its reverse (31222811), we get a palindrome (149444941).

The spelling of 118222130 in words is "one hundred eighteen million, two hundred twenty-two thousand, one hundred thirty".