162220248 has 24 divisors (see below), whose sum is σ = 439346700. Its totient is φ = 54073392.

The previous prime is 162220243. The next prime is 162220249. The reversal of 162220248 is 842022261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×162220248² = 52630817722363008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162220243) 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 5 ways as a sum of consecutive naturals, for example, 1126458 + ... + 1126601.

Almost surely, 2^162220248 is an apocalyptic number.

162220248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

162220248 is an abundant number, since it is smaller than the sum of its proper divisors (277126452).

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

162220248 is a wasteful number, since it uses less digits than its factorization.

162220248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253071 (or 2253064 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 162220248 is about 12736.5712811573. The cubic root of 162220248 is about 545.3831136155.

The spelling of 162220248 in words is "one hundred sixty-two million, two hundred twenty thousand, two hundred forty-eight".