162226919 has 2 divisors, whose sum is σ = 162226920. Its totient is φ = 162226918.

The previous prime is 162226913. The next prime is 162226943. The reversal of 162226919 is 919622261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162226919 - 2¹⁶ = 162161383 is a prime.

It is a super-2 number, since 2×162226919² = 52635146496465122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162226913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81113459 + 81113460.

It is an arithmetic number, because the mean of its divisors is an integer number (81113460).

Almost surely, 2^162226919 is an apocalyptic number.

162226919 is a deficient number, since it is larger than the sum of its proper divisors (1).

162226919 is an equidigital number, since it uses as much as digits as its factorization.

162226919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 162226919 is about 12736.8331621326. The cubic root of 162226919 is about 545.3905894617.

The spelling of 162226919 in words is "one hundred sixty-two million, two hundred twenty-six thousand, nine hundred nineteen".