1220213314 has 4 divisors (see below), whose sum is σ = 1830319974. Its totient is φ = 610106656.

The previous prime is 1220213261. The next prime is 1220213339. The reversal of 1220213314 is 4133120221.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1121111289 + 99102025 = 33483^2 + 9955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1220213291 and 1220213300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305053327 + ... + 305053330.

Almost surely, 2^1220213314 is an apocalyptic number.

1220213314 is a deficient number, since it is larger than the sum of its proper divisors (610106660).

1220213314 is an equidigital number, since it uses as much as digits as its factorization.

1220213314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610106659.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1220213314 is about 34931.5518407070. The cubic root of 1220213314 is about 1068.5920031182.

Adding to 1220213314 its reverse (4133120221), we get a palindrome (5353333535).

The spelling of 1220213314 in words is "one billion, two hundred twenty million, two hundred thirteen thousand, three hundred fourteen".