162195228 has 72 divisors (see below), whose sum is σ = 445584048. Its totient is φ = 49448448.

The previous prime is 162195217. The next prime is 162195239. The reversal of 162195228 is 822591261.

162195228 is a `hidden beast` number, since 1 + 621 + 9 + 5 + 2 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (162195217) and next prime (162195239).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 162195192 and 162195201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51351 + ... + 54417.

Almost surely, 2^162195228 is an apocalyptic number.

162195228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162195228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222792024).

162195228 is an abundant number, since it is smaller than the sum of its proper divisors (283388820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162195228 is a wasteful number, since it uses less digits than its factorization.

162195228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203 (or 3198 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 162195228 is about 12735.5890323141. The cubic root of 162195228 is about 545.3550731638.

The spelling of 162195228 in words is "one hundred sixty-two million, one hundred ninety-five thousand, two hundred twenty-eight".