1220311214 has 16 divisors (see below), whose sum is σ = 1931542800. Its totient is φ = 576621504.

The previous prime is 1220311201. The next prime is 1220311217. The reversal of 1220311214 is 4121130221.

It is a junction number, because it is equal to n+sod(n) for n = 1220311192 and 1220311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220311217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23717 + ... + 54800.

It is an arithmetic number, because the mean of its divisors is an integer number (120721425).

Almost surely, 2^1220311214 is an apocalyptic number.

1220311214 is a deficient number, since it is larger than the sum of its proper divisors (711231586).

1220311214 is a wasteful number, since it uses less digits than its factorization.

1220311214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78947.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1220311214 is about 34932.9531245213. The cubic root of 1220311214 is about 1068.6205807333.

Adding to 1220311214 its reverse (4121130221), we get a palindrome (5341441435).

The spelling of 1220311214 in words is "one billion, two hundred twenty million, three hundred eleven thousand, two hundred fourteen".