162227986 has 4 divisors (see below), whose sum is σ = 243341982. Its totient is φ = 81113992.

The previous prime is 162227977. The next prime is 162228013. The reversal of 162227986 is 689722261.

162227986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 149303961 + 12924025 = 12219^2 + 3595^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40556995 + ... + 40556998.

Almost surely, 2^162227986 is an apocalyptic number.

162227986 is a deficient number, since it is larger than the sum of its proper divisors (81113996).

162227986 is an equidigital number, since it uses as much as digits as its factorization.

162227986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81113995.

The product of its digits is 145152, while the sum is 43.

The square root of 162227986 is about 12736.8750484567. The cubic root of 162227986 is about 545.3917851747.

The spelling of 162227986 in words is "one hundred sixty-two million, two hundred twenty-seven thousand, nine hundred eighty-six".