163225722 has 32 divisors (see below), whose sum is σ = 365759424. Its totient is φ = 48124800.

The previous prime is 163225709. The next prime is 163225723. The reversal of 163225722 is 227522361.

163225722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163225722.

It is not an unprimeable number, because it can be changed into a prime (163225723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30979 + ... + 35862.

It is an arithmetic number, because the mean of its divisors is an integer number (11429982).

Almost surely, 2^163225722 is an apocalyptic number.

163225722 is an abundant number, since it is smaller than the sum of its proper divisors (202533702).

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

163225722 is a wasteful number, since it uses less digits than its factorization.

163225722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66894.

The product of its digits is 10080, while the sum is 30.

The square root of 163225722 is about 12775.9822322982. The cubic root of 163225722 is about 546.5075919432.

The spelling of 163225722 in words is "one hundred sixty-three million, two hundred twenty-five thousand, seven hundred twenty-two".