162228880 has 40 divisors (see below), whose sum is σ = 411473664. Its totient is φ = 58992000.

The previous prime is 162228851. The next prime is 162228883. The reversal of 162228880 is 88822261.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (162228883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91296 + ... + 93055.

Almost surely, 2^162228880 is an apocalyptic number.

162228880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162228880 is an abundant number, since it is smaller than the sum of its proper divisors (249244784).

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

162228880 is a wasteful number, since it uses less digits than its factorization.

162228880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184375 (or 184369 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 162228880 is about 12736.9101433589. The cubic root of 162228880 is about 545.3927870145.

The spelling of 162228880 in words is "one hundred sixty-two million, two hundred twenty-eight thousand, eight hundred eighty".