16201322 has 4 divisors (see below), whose sum is σ = 24301986. Its totient is φ = 8100660.

The previous prime is 16201321. The next prime is 16201331. The reversal of 16201322 is 22310261.

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

It can be written as a sum of positive squares in only one way, i.e., 14661241 + 1540081 = 3829^2 + 1241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16201322.

It is not an unprimeable number, because it can be changed into a prime (16201321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050329 + ... + 4050332.

Almost surely, 2^16201322 is an apocalyptic number.

16201322 is a deficient number, since it is larger than the sum of its proper divisors (8100664).

16201322 is an equidigital number, since it uses as much as digits as its factorization.

16201322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100663.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 16201322 is about 4025.0865829197. The cubic root of 16201322 is about 253.0366822304.

Adding to 16201322 its reverse (22310261), we get a palindrome (38511583).

The spelling of 16201322 in words is "sixteen million, two hundred one thousand, three hundred twenty-two".