162220465 has 12 divisors (see below), whose sum is σ = 213970932. Its totient is φ = 117978080.

The previous prime is 162220463. The next prime is 162220481. The reversal of 162220465 is 564022261.

162220465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 93064609 + 69155856 = 9647^2 + 8316^2 .

It is not a de Polignac number, because 162220465 - 2¹ = 162220463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162220463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133462 + ... + 134671.

It is an arithmetic number, because the mean of its divisors is an integer number (17830911).

Almost surely, 2^162220465 is an apocalyptic number.

It is an amenable number.

162220465 is a deficient number, since it is larger than the sum of its proper divisors (51750467).

162220465 is a wasteful number, since it uses less digits than its factorization.

162220465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268160 (or 268149 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 162220465 is about 12736.5797999306. The cubic root of 162220465 is about 545.3833567995.

The spelling of 162220465 in words is "one hundred sixty-two million, two hundred twenty thousand, four hundred sixty-five".