1420442213 has 2 divisors, whose sum is σ = 1420442214. Its totient is φ = 1420442212.

The previous prime is 1420442197. The next prime is 1420442269. The reversal of 1420442213 is 3122440241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1241364289 + 179077924 = 35233^2 + 13382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420442213 - 2⁴ = 1420442197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420442273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710221106 + 710221107.

It is an arithmetic number, because the mean of its divisors is an integer number (710221107).

Almost surely, 2^1420442213 is an apocalyptic number.

It is an amenable number.

1420442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420442213 is an equidigital number, since it uses as much as digits as its factorization.

1420442213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1420442213 is about 37688.7544633675. The cubic root of 1420442213 is about 1124.1075293525.

Adding to 1420442213 its reverse (3122440241), we get a palindrome (4542882454).

The spelling of 1420442213 in words is "one billion, four hundred twenty million, four hundred forty-two thousand, two hundred thirteen".