163322245 has 4 divisors (see below), whose sum is σ = 195986700. Its totient is φ = 130657792.

The previous prime is 163322231. The next prime is 163322249. The reversal of 163322245 is 542223361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110817729 + 52504516 = 10527^2 + 7246^2 .

It is a cyclic number.

It is not a de Polignac number, because 163322245 - 2¹⁷ = 163191173 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16332220 + ... + 16332229.

It is an arithmetic number, because the mean of its divisors is an integer number (48996675).

Almost surely, 2^163322245 is an apocalyptic number.

It is an amenable number.

163322245 is a deficient number, since it is larger than the sum of its proper divisors (32664455).

163322245 is an equidigital number, since it uses as much as digits as its factorization.

163322245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32664454.

The product of its digits is 8640, while the sum is 28.

The square root of 163322245 is about 12779.7591917845. The cubic root of 163322245 is about 546.6152958784.

The spelling of 163322245 in words is "one hundred sixty-three million, three hundred twenty-two thousand, two hundred forty-five".