162244427 has 2 divisors, whose sum is σ = 162244428. Its totient is φ = 162244426.

The previous prime is 162244399. The next prime is 162244451. The reversal of 162244427 is 724442261.

It is a strong prime.

It is an emirp because it is prime and its reverse (724442261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162244427 - 2⁸ = 162244171 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 162244393 and 162244402.

It is not a weakly prime, because it can be changed into another prime (162244457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81122213 + 81122214.

It is an arithmetic number, because the mean of its divisors is an integer number (81122214).

Almost surely, 2^162244427 is an apocalyptic number.

162244427 is a deficient number, since it is larger than the sum of its proper divisors (1).

162244427 is an equidigital number, since it uses as much as digits as its factorization.

162244427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 32.

The square root of 162244427 is about 12737.5204415930. The cubic root of 162244427 is about 545.4102088011.

Adding to 162244427 its reverse (724442261), we get a palindrome (886686688).

The spelling of 162244427 in words is "one hundred sixty-two million, two hundred forty-four thousand, four hundred twenty-seven".