162192281 has 2 divisors, whose sum is σ = 162192282. Its totient is φ = 162192280.

The previous prime is 162192263. The next prime is 162192287. The reversal of 162192281 is 182291261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146192281 + 16000000 = 12091^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 162192281 - 2¹⁸ = 161930137 is a prime.

It is a super-2 number, since 2×162192281² = 52612672031965922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162192287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81096140 + 81096141.

It is an arithmetic number, because the mean of its divisors is an integer number (81096141).

Almost surely, 2^162192281 is an apocalyptic number.

It is an amenable number.

162192281 is a deficient number, since it is larger than the sum of its proper divisors (1).

162192281 is an equidigital number, since it uses as much as digits as its factorization.

162192281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 32.

The square root of 162192281 is about 12735.4733323893. The cubic root of 162192281 is about 545.3517702077.

The spelling of 162192281 in words is "one hundred sixty-two million, one hundred ninety-two thousand, two hundred eighty-one".