1220214334 has 4 divisors (see below), whose sum is σ = 1830321504. Its totient is φ = 610107166.

The previous prime is 1220214319. The next prime is 1220214337. The reversal of 1220214334 is 4334120221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220214337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305053582 + ... + 305053585.

It is an arithmetic number, because the mean of its divisors is an integer number (457580376).

Almost surely, 2^1220214334 is an apocalyptic number.

1220214334 is a deficient number, since it is larger than the sum of its proper divisors (610107170).

1220214334 is an equidigital number, since it uses as much as digits as its factorization.

1220214334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610107169.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1220214334 is about 34931.5664406851. The cubic root of 1220214334 is about 1068.5923008704.

Adding to 1220214334 its reverse (4334120221), we get a palindrome (5554334555).

The spelling of 1220214334 in words is "one billion, two hundred twenty million, two hundred fourteen thousand, three hundred thirty-four".