201422344309 has 2 divisors, whose sum is σ = 201422344310. Its totient is φ = 201422344308.

The previous prime is 201422344259. The next prime is 201422344397. The reversal of 201422344309 is 903443224102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125207699409 + 76214644900 = 353847^2 + 276070^2 .

It is a cyclic number.

It is not a de Polignac number, because 201422344309 - 2¹³ = 201422336117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201422344609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100711172154 + 100711172155.

It is an arithmetic number, because the mean of its divisors is an integer number (100711172155).

Almost surely, 2^201422344309 is an apocalyptic number.

It is an amenable number.

201422344309 is a deficient number, since it is larger than the sum of its proper divisors (1).

201422344309 is an equidigital number, since it uses as much as digits as its factorization.

201422344309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 201422344309 in words is "two hundred one billion, four hundred twenty-two million, three hundred forty-four thousand, three hundred nine".