162223020 has 48 divisors (see below), whose sum is σ = 504695520. Its totient is φ = 43259328.

The previous prime is 162223003. The next prime is 162223049. The reversal of 162223020 is 20322261.

162223020 is a `hidden beast` number, since 1 + 622 + 23 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 162222984 and 162223002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149667 + ... + 150746.

It is an arithmetic number, because the mean of its divisors is an integer number (10514490).

Almost surely, 2^162223020 is an apocalyptic number.

162223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162223020 is an abundant number, since it is smaller than the sum of its proper divisors (342472500).

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

162223020 is a wasteful number, since it uses less digits than its factorization.

162223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300431 (or 300423 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 162223020 is about 12736.6801011881. The cubic root of 162223020 is about 545.3862200781.

Adding to 162223020 its reverse (20322261), we get a palindrome (182545281).

It can be divided in two parts, 1622 and 23020, that added together give a palindrome (24642).

The spelling of 162223020 in words is "one hundred sixty-two million, two hundred twenty-three thousand, twenty".