118422016 has 20 divisors (see below), whose sum is σ = 236613762. Its totient is φ = 59210752.

The previous prime is 118422011. The next prime is 118422047. The reversal of 118422016 is 610224811.

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 46240000 = 8496^2 + 6800^2 .

It is not an unprimeable number, because it can be changed into a prime (118422011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115135 + ... + 116158.

Almost surely, 2^118422016 is an apocalyptic number.

118422016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

118422016 is the 6883-rd centered pentagonal number.

It is an amenable number.

118422016 is a deficient number, since it is larger than the sum of its proper divisors (118191746).

118422016 is an frugal number, since it uses more digits than its factorization.

118422016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231311 (or 231295 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 118422016 is about 10882.1880152844. The cubic root of 118422016 is about 491.0708442485.

Adding to 118422016 its reverse (610224811), we get a palindrome (728646827).

The spelling of 118422016 in words is "one hundred eighteen million, four hundred twenty-two thousand, sixteen".