14442506221 has 16 divisors (see below), whose sum is σ = 17132169600. Its totient is φ = 12001907520.

The previous prime is 14442506171. The next prime is 14442506227. The reversal of 14442506221 is 12260524441.

It is a cyclic number.

It is not a de Polignac number, because 14442506221 - 2²¹ = 14440409069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14442506227) 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, 475546 + ... + 505003.

It is an arithmetic number, because the mean of its divisors is an integer number (1070760600).

Almost surely, 2^14442506221 is an apocalyptic number.

14442506221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14442506221 is a deficient number, since it is larger than the sum of its proper divisors (2689663379).

14442506221 is a wasteful number, since it uses less digits than its factorization.

14442506221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980676.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 14442506221 in words is "fourteen billion, four hundred forty-two million, five hundred six thousand, two hundred twenty-one".