14222004621 has 64 divisors (see below), whose sum is σ = 23206625280. Its totient is φ = 7644162240.

The previous prime is 14222004593. The next prime is 14222004677. The reversal of 14222004621 is 12640022241.

It is a happy number.

It is not a de Polignac number, because 14222004621 - 2⁶ = 14222004557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14222004591 and 14222004600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14222004691) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 667296 + ... + 688278.

It is an arithmetic number, because the mean of its divisors is an integer number (362603520).

Almost surely, 2^14222004621 is an apocalyptic number.

14222004621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14222004621 is a deficient number, since it is larger than the sum of its proper divisors (8984620659).

14222004621 is a wasteful number, since it uses less digits than its factorization.

14222004621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21086.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 14222004621 its reverse (12640022241), we get a palindrome (26862026862).

It can be divided in two parts, 14222004 and 621, that multiplied together give a square (8831864484 = 93978²).

The spelling of 14222004621 in words is "fourteen billion, two hundred twenty-two million, four thousand, six hundred twenty-one".