1220443214 has 8 divisors (see below), whose sum is σ = 1830820968. Its totient is φ = 610169560.

The previous prime is 1220443183. The next prime is 1220443307. The reversal of 1220443214 is 4123440221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220443214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18569 + ... + 52779.

It is an arithmetic number, because the mean of its divisors is an integer number (228852621).

Almost surely, 2^1220443214 is an apocalyptic number.

1220443214 is a deficient number, since it is larger than the sum of its proper divisors (610377754).

1220443214 is a wasteful number, since it uses less digits than its factorization.

1220443214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52050.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1220443214 is about 34934.8424069724. The cubic root of 1220443214 is about 1068.6591099296.

Adding to 1220443214 its reverse (4123440221), we get a palindrome (5343883435).

The spelling of 1220443214 in words is "one billion, two hundred twenty million, four hundred forty-three thousand, two hundred fourteen".