162825220 has 12 divisors (see below), whose sum is σ = 341933004. Its totient is φ = 65130080.

The previous prime is 162825161. The next prime is 162825251. The reversal of 162825220 is 22528261.

It can be written as a sum of positive squares in 2 ways, for example, as 31539456 + 131285764 = 5616^2 + 11458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070611 + ... + 4070650.

It is an arithmetic number, because the mean of its divisors is an integer number (28494417).

Almost surely, 2^162825220 is an apocalyptic number.

162825220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162825220 is an abundant number, since it is smaller than the sum of its proper divisors (179107784).

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

162825220 is a wasteful number, since it uses less digits than its factorization.

162825220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141270 (or 8141268 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 162825220 is about 12760.2985858482. The cubic root of 162825220 is about 546.0602428307.

The spelling of 162825220 in words is "one hundred sixty-two million, eight hundred twenty-five thousand, two hundred twenty".