14220045 has 36 divisors (see below), whose sum is σ = 28676700. Its totient is φ = 6499584.

The previous prime is 14220043. The next prime is 14220061. The reversal of 14220045 is 54002241.

It can be written as a sum of positive squares in 2 ways, for example, as 10323369 + 3896676 = 3213^2 + 1974^2 .

It is not a de Polignac number, because 14220045 - 2¹ = 14220043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220043) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1020 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (796575).

Almost surely, 2^14220045 is an apocalyptic number.

14220045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14220045 is an abundant number, since it is smaller than the sum of its proper divisors (14456655).

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

14220045 is a wasteful number, since it uses less digits than its factorization.

14220045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6464 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14220045 is about 3770.9474936679. The cubic root of 14220045 is about 242.2703817196.

Adding to 14220045 its reverse (54002241), we get a palindrome (68222286).

The spelling of 14220045 in words is "fourteen million, two hundred twenty thousand, forty-five".