1420223213 has 2 divisors, whose sum is σ = 1420223214. Its totient is φ = 1420223212.

The previous prime is 1420223183. The next prime is 1420223219. The reversal of 1420223213 is 3123220241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718079209 + 702144004 = 26797^2 + 26498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420223213 - 2¹⁶ = 1420157677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420223219) 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 as a sum of consecutive naturals, namely, 710111606 + 710111607.

It is an arithmetic number, because the mean of its divisors is an integer number (710111607).

Almost surely, 2^1420223213 is an apocalyptic number.

It is an amenable number.

1420223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420223213 is an equidigital number, since it uses as much as digits as its factorization.

1420223213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1420223213 is about 37685.8489754444. The cubic root of 1420223213 is about 1124.0497557476.

Adding to 1420223213 its reverse (3123220241), we get a palindrome (4543443454).

The spelling of 1420223213 in words is "one billion, four hundred twenty million, two hundred twenty-three thousand, two hundred thirteen".