14969232221 has 4 divisors (see below), whose sum is σ = 15011638332. Its totient is φ = 14926826112.

The previous prime is 14969232217. The next prime is 14969232233. The reversal of 14969232221 is 12223296941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11154316996 + 3814915225 = 105614^2 + 61765^2 .

It is a cyclic number.

It is not a de Polignac number, because 14969232221 - 2² = 14969232217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14969232721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21202526 + ... + 21203231.

It is an arithmetic number, because the mean of its divisors is an integer number (3752909583).

Almost surely, 2^14969232221 is an apocalyptic number.

It is an amenable number.

14969232221 is a deficient number, since it is larger than the sum of its proper divisors (42406111).

14969232221 is an equidigital number, since it uses as much as digits as its factorization.

14969232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42406110.

The product of its digits is 93312, while the sum is 41.

The spelling of 14969232221 in words is "fourteen billion, nine hundred sixty-nine million, two hundred thirty-two thousand, two hundred twenty-one".