1220543314 has 8 divisors (see below), whose sum is σ = 1832738940. Its totient is φ = 609630336.

The previous prime is 1220543267. The next prime is 1220543333. The reversal of 1220543314 is 4133450221.

It can be written as a sum of positive squares in 2 ways, for example, as 1082081025 + 138462289 = 32895^2 + 11767^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318279 + ... + 322090.

Almost surely, 2^1220543314 is an apocalyptic number.

1220543314 is a deficient number, since it is larger than the sum of its proper divisors (612195626).

1220543314 is an equidigital number, since it uses as much as digits as its factorization.

1220543314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641324.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1220543314 is about 34936.2750447153. The cubic root of 1220543314 is about 1068.6883260513.

Adding to 1220543314 its reverse (4133450221), we get a palindrome (5353993535).

The spelling of 1220543314 in words is "one billion, two hundred twenty million, five hundred forty-three thousand, three hundred fourteen".