14412221520 has 80 divisors (see below), whose sum is σ = 44690443200. Its totient is φ = 3842179072.

The previous prime is 14412221503. The next prime is 14412221557. The reversal of 14412221520 is 2512221441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×14412221520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1217872 + ... + 1229648.

It is an arithmetic number, because the mean of its divisors is an integer number (558630540).

Almost surely, 2^14412221520 is an apocalyptic number.

14412221520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14412221520 is an abundant number, since it is smaller than the sum of its proper divisors (30278221680).

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

14412221520 is a wasteful number, since it uses less digits than its factorization.

14412221520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16892 (or 16886 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 14412221520 its reverse (2512221441), we get a palindrome (16924442961).

The spelling of 14412221520 in words is "fourteen billion, four hundred twelve million, two hundred twenty-one thousand, five hundred twenty".