14520222 has 56 divisors (see below), whose sum is σ = 34154064. Its totient is φ = 4618944.

The previous prime is 14520167. The next prime is 14520223. The reversal of 14520222 is 22202541.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14520195 and 14520204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14520223) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33318 + ... + 33750.

It is an arithmetic number, because the mean of its divisors is an integer number (609894).

Almost surely, 2^14520222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14520222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17077032).

14520222 is an abundant number, since it is smaller than the sum of its proper divisors (19633842).

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

14520222 is an equidigital number, since it uses as much as digits as its factorization.

14520222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 461 counting only the distinct ones).

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

The square root of 14520222 is about 3810.5409064856. The cubic root of 14520222 is about 243.9632547909.

Adding to 14520222 its reverse (22202541), we get a palindrome (36722763).

The spelling of 14520222 in words is "fourteen million, five hundred twenty thousand, two hundred twenty-two".