162220345 has 32 divisors (see below), whose sum is σ = 231678720. Its totient is φ = 106686720.

The previous prime is 162220339. The next prime is 162220351. The reversal of 162220345 is 543022261.

162220345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (162220339) and next prime (162220351).

It is not a de Polignac number, because 162220345 - 2⁹ = 162219833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183274 + ... + 184156.

It is an arithmetic number, because the mean of its divisors is an integer number (7239960).

Almost surely, 2^162220345 is an apocalyptic number.

It is an amenable number.

162220345 is a deficient number, since it is larger than the sum of its proper divisors (69458375).

162220345 is a wasteful number, since it uses less digits than its factorization.

162220345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 162220345 is about 12736.5750890889. The cubic root of 162220345 is about 545.3832223199.

The spelling of 162220345 in words is "one hundred sixty-two million, two hundred twenty thousand, three hundred forty-five".