21430422214 has 16 divisors (see below), whose sum is σ = 32789127168. Its totient is φ = 10502746632.

The previous prime is 21430422199. The next prime is 21430422227. The reversal of 21430422214 is 41222403412.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 487182 + ... + 529345.

It is an arithmetic number, because the mean of its divisors is an integer number (2049320448).

Almost surely, 2^21430422214 is an apocalyptic number.

21430422214 is a deficient number, since it is larger than the sum of its proper divisors (11358704954).

21430422214 is a wasteful number, since it uses less digits than its factorization.

21430422214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016739.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 21430422214 its reverse (41222403412), we get a palindrome (62652825626).

The spelling of 21430422214 in words is "twenty-one billion, four hundred thirty million, four hundred twenty-two thousand, two hundred fourteen".