14540224421 has 16 divisors (see below), whose sum is σ = 15337848960. Its totient is φ = 13762781760.

The previous prime is 14540224417. The next prime is 14540224477. The reversal of 14540224421 is 12442204541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 14540224421 - 2² = 14540224417 is a prime.

It is a super-2 number, since 2×14540224421² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540224481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368526 + ... + 2374656.

It is an arithmetic number, because the mean of its divisors is an integer number (958615560).

Almost surely, 2^14540224421 is an apocalyptic number.

It is an amenable number.

14540224421 is a deficient number, since it is larger than the sum of its proper divisors (797624539).

14540224421 is a wasteful number, since it uses less digits than its factorization.

14540224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 14540224421 its reverse (12442204541), we get a palindrome (26982428962).

The spelling of 14540224421 in words is "fourteen billion, five hundred forty million, two hundred twenty-four thousand, four hundred twenty-one".