13722202 has 16 divisors (see below), whose sum is σ = 22399272. Its totient is φ = 6266880.

The previous prime is 13722197. The next prime is 13722209. The reversal of 13722202 is 20222731.

It can be written as a sum of positive squares in 4 ways, for example, as 10621081 + 3101121 = 3259^2 + 1761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13722202.

It is not an unprimeable number, because it can be changed into a prime (13722209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 5242.

Almost surely, 2^13722202 is an apocalyptic number.

13722202 is a deficient number, since it is larger than the sum of its proper divisors (8677070).

13722202 is a wasteful number, since it uses less digits than its factorization.

13722202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 13722202 is about 3704.3490656254. The cubic root of 13722202 is about 239.4094392205.

Adding to 13722202 its reverse (20222731), we get a palindrome (33944933).

It can be divided in two parts, 13722 and 202, that added together give a square (13924 = 118²).

The spelling of 13722202 in words is "thirteen million, seven hundred twenty-two thousand, two hundred two".