14222532421 has 2 divisors, whose sum is σ = 14222532422. Its totient is φ = 14222532420.

The previous prime is 14222532419. The next prime is 14222532427. The reversal of 14222532421 is 12423522241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14140539396 + 81993025 = 118914^2 + 9055^2 .

It is a cyclic number.

It is not a de Polignac number, because 14222532421 - 2¹ = 14222532419 is a prime.

It is a super-2 number, since 2×14222532421² (a number of 21 digits) contains 22 as substring.

Together with 14222532419, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14222532421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14222532427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7111266210 + 7111266211.

It is an arithmetic number, because the mean of its divisors is an integer number (7111266211).

Almost surely, 2^14222532421 is an apocalyptic number.

It is an amenable number.

14222532421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14222532421 is an equidigital number, since it uses as much as digits as its factorization.

14222532421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 28.

The spelling of 14222532421 in words is "fourteen billion, two hundred twenty-two million, five hundred thirty-two thousand, four hundred twenty-one".