218147050 has 24 divisors (see below), whose sum is σ = 442641312. Its totient is φ = 79326000.

The previous prime is 218147047. The next prime is 218147051. The reversal of 218147050 is 50741812.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (218147051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 197766 + ... + 198865.

It is an arithmetic number, because the mean of its divisors is an integer number (18443388).

Almost surely, 2^218147050 is an apocalyptic number.

218147050 is an abundant number, since it is smaller than the sum of its proper divisors (224494262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218147050 is a wasteful number, since it uses less digits than its factorization.

218147050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396654 (or 396649 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 218147050 is about 14769.8019621117. The cubic root of 218147050 is about 601.9814584268.

Adding to 218147050 its reverse (50741812), we get a palindrome (268888862).

The spelling of 218147050 in words is "two hundred eighteen million, one hundred forty-seven thousand, fifty".