1422277009 has 2 divisors, whose sum is σ = 1422277010. Its totient is φ = 1422277008.

The previous prime is 1422276997. The next prime is 1422277033. The reversal of 1422277009 is 9007722241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278277009 + 144000000 = 35753^2 + 12000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422277009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422277309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711138504 + 711138505.

It is an arithmetic number, because the mean of its divisors is an integer number (711138505).

Almost surely, 2^1422277009 is an apocalyptic number.

It is an amenable number.

1422277009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422277009 is an equidigital number, since it uses as much as digits as its factorization.

1422277009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1422277009 is about 37713.0880332014. The cubic root of 1422277009 is about 1124.5913271830.

The spelling of 1422277009 in words is "one billion, four hundred twenty-two million, two hundred seventy-seven thousand, nine".