220312214 has 24 divisors (see below), whose sum is σ = 356353320. Its totient is φ = 102110976.

The previous prime is 220312187. The next prime is 220312237. The reversal of 220312214 is 412213022.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 220312192 and 220312201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35882 + ... + 41570.

It is an arithmetic number, because the mean of its divisors is an integer number (14848055).

Almost surely, 2^220312214 is an apocalyptic number.

220312214 is a deficient number, since it is larger than the sum of its proper divisors (136041106).

220312214 is a wasteful number, since it uses less digits than its factorization.

220312214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 220312214 is about 14842.9179745763. The cubic root of 220312214 is about 603.9665109424.

Adding to 220312214 its reverse (412213022), we get a palindrome (632525236).

The spelling of 220312214 in words is "two hundred twenty million, three hundred twelve thousand, two hundred fourteen".