1220214434 has 16 divisors (see below), whose sum is σ = 1849573440. Its totient is φ = 603716880.

The previous prime is 1220214433. The next prime is 1220214439. The reversal of 1220214434 is 4344120221.

It is not an unprimeable number, because it can be changed into a prime (1220214433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 87572 + ... + 100544.

It is an arithmetic number, because the mean of its divisors is an integer number (115598340).

Almost surely, 2^1220214434 is an apocalyptic number.

1220214434 is a deficient number, since it is larger than the sum of its proper divisors (629359006).

1220214434 is a wasteful number, since it uses less digits than its factorization.

1220214434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465.

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

The square root of 1220214434 is about 34931.5678720552. The cubic root of 1220214434 is about 1068.5923300618.

Adding to 1220214434 its reverse (4344120221), we get a palindrome (5564334655).

The spelling of 1220214434 in words is "one billion, two hundred twenty million, two hundred fourteen thousand, four hundred thirty-four".