1220411214 has 24 divisors (see below), whose sum is σ = 2884608792. Its totient is φ = 369821520.

The previous prime is 1220411209. The next prime is 1220411237. The reversal of 1220411214 is 4121140221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3081649 + ... + 3082044.

It is an arithmetic number, because the mean of its divisors is an integer number (120192033).

Almost surely, 2^1220411214 is an apocalyptic number.

1220411214 is an abundant number, since it is smaller than the sum of its proper divisors (1664197578).

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

1220411214 is a wasteful number, since it uses less digits than its factorization.

1220411214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163712 (or 6163709 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1220411214 is about 34934.3844084879. The cubic root of 1220411214 is about 1068.6497697735.

Adding to 1220411214 its reverse (4121140221), we get a palindrome (5341551435).

The spelling of 1220411214 in words is "one billion, two hundred twenty million, four hundred eleven thousand, two hundred fourteen".