14220369 has 6 divisors (see below), whose sum is σ = 20540546. Its totient is φ = 9480240.

The previous prime is 14220361. The next prime is 14220373. The reversal of 14220369 is 96302241.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 2214144 = 3465^2 + 1488^2 .

It is not a de Polignac number, because 14220369 - 2³ = 14220361 is a prime.

It is a super-2 number, since 2×14220369² = 404437788992322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14220361) 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 5 ways as a sum of consecutive naturals, for example, 790012 + ... + 790029.

Almost surely, 2^14220369 is an apocalyptic number.

It is an amenable number.

14220369 is a deficient number, since it is larger than the sum of its proper divisors (6320177).

14220369 is a wasteful number, since it uses less digits than its factorization.

14220369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580047 (or 1580044 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 14220369 is about 3770.9904534485. The cubic root of 14220369 is about 242.2722217280.

It can be divided in two parts, 14220 and 369, that multiplied together give a triangular number (5247180 = T₃₂₃₉).

The spelling of 14220369 in words is "fourteen million, two hundred twenty thousand, three hundred sixty-nine".