163322244 has 42 divisors (see below), whose sum is σ = 428532510. Its totient is φ = 54439776.

The previous prime is 163322231. The next prime is 163322249. The reversal of 163322244 is 442223361.

163322244 is a `hidden beast` number, since 1 + 633 + 2 + 2 + 24 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 161036100 + 2286144 = 12690^2 + 1512^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (163322249) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 25089 + ... + 30920.

It is an arithmetic number, because the mean of its divisors is an integer number (10203155).

Almost surely, 2^163322244 is an apocalyptic number.

It is an amenable number.

163322244 is an abundant number, since it is smaller than the sum of its proper divisors (265210266).

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

163322244 is an equidigital number, since it uses as much as digits as its factorization.

163322244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56031 (or 56014 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 163322244 is about 12779.7591526601. The cubic root of 163322244 is about 546.6152947628.

The spelling of 163322244 in words is "one hundred sixty-three million, three hundred twenty-two thousand, two hundred forty-four".