1420222369 has 2 divisors, whose sum is σ = 1420222370. Its totient is φ = 1420222368.

The previous prime is 1420222343. The next prime is 1420222387. The reversal of 1420222369 is 9632220241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1392185344 + 28037025 = 37312^2 + 5295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420222369 - 2⁹ = 1420221857 is a prime.

It is a super-2 number, since 2×1420222369² = 4034063154815944322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1420222369.

It is not a weakly prime, because it can be changed into another prime (1420222169) 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, 710111184 + 710111185.

It is an arithmetic number, because the mean of its divisors is an integer number (710111185).

Almost surely, 2^1420222369 is an apocalyptic number.

It is an amenable number.

1420222369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420222369 is an equidigital number, since it uses as much as digits as its factorization.

1420222369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1420222369 is about 37685.8377776055. The cubic root of 1420222369 is about 1124.0495330835.

The spelling of 1420222369 in words is "one billion, four hundred twenty million, two hundred twenty-two thousand, three hundred sixty-nine".