1422724189 has 2 divisors, whose sum is σ = 1422724190. Its totient is φ = 1422724188.

The previous prime is 1422724159. The next prime is 1422724201. The reversal of 1422724189 is 9814272241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1422572089 + 152100 = 37717^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422724189 - 2¹¹ = 1422722141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422724129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711362094 + 711362095.

It is an arithmetic number, because the mean of its divisors is an integer number (711362095).

Almost surely, 2^1422724189 is an apocalyptic number.

It is an amenable number.

1422724189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422724189 is an equidigital number, since it uses as much as digits as its factorization.

1422724189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 1422724189 is about 37719.0162782647. The cubic root of 1422724189 is about 1124.7091762495.

It can be divided in two parts, 14227 and 24189, that added together give a 4-th power (38416 = 14⁴).

The spelling of 1422724189 in words is "one billion, four hundred twenty-two million, seven hundred twenty-four thousand, one hundred eighty-nine".