14220410021 has 4 divisors (see below), whose sum is σ = 14222490732. Its totient is φ = 14218329312.

The previous prime is 14220409991. The next prime is 14220410063. The reversal of 14220410021 is 12001402241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12001402241 = 521 ⋅23035321.

It can be written as a sum of positive squares in 2 ways, for example, as 4987890625 + 9232519396 = 70625^2 + 96086^2 .

It is a cyclic number.

It is not a de Polignac number, because 14220410021 - 2¹⁴ = 14220393637 is a prime.

It is a super-2 number, since 2×14220410021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220410221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030070 + ... + 1043783.

It is an arithmetic number, because the mean of its divisors is an integer number (3555622683).

Almost surely, 2^14220410021 is an apocalyptic number.

It is an amenable number.

14220410021 is a deficient number, since it is larger than the sum of its proper divisors (2080711).

14220410021 is an equidigital number, since it uses as much as digits as its factorization.

14220410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080710.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 14220410021 its reverse (12001402241), we get a palindrome (26221812262).

The spelling of 14220410021 in words is "fourteen billion, two hundred twenty million, four hundred ten thousand, twenty-one".