162234409 has 2 divisors, whose sum is σ = 162234410. Its totient is φ = 162234408.

The previous prime is 162234379. The next prime is 162234437. The reversal of 162234409 is 904432261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131675625 + 30558784 = 11475^2 + 5528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162234409 is a prime.

It is not a weakly prime, because it can be changed into another prime (162234469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81117204 + 81117205.

It is an arithmetic number, because the mean of its divisors is an integer number (81117205).

Almost surely, 2^162234409 is an apocalyptic number.

It is an amenable number.

162234409 is a deficient number, since it is larger than the sum of its proper divisors (1).

162234409 is an equidigital number, since it uses as much as digits as its factorization.

162234409 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 162234409 is about 12737.1271878709. The cubic root of 162234409 is about 545.3989828748.

The spelling of 162234409 in words is "one hundred sixty-two million, two hundred thirty-four thousand, four hundred nine".