21422243034 has 24 divisors (see below), whose sum is σ = 46462896480. Its totient is φ = 7133357448.

The previous prime is 21422243027. The next prime is 21422243039. The reversal of 21422243034 is 43034222412.

21422243034 is a `hidden beast` number, since 2 + 1 + 4 + 222 + 430 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21422242989 and 21422243007.

It is not an unprimeable number, because it can be changed into a prime (21422243039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 597964 + ... + 632775.

It is an arithmetic number, because the mean of its divisors is an integer number (1935954020).

Almost surely, 2^21422243034 is an apocalyptic number.

21422243034 is an abundant number, since it is smaller than the sum of its proper divisors (25040653446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21422243034 is a wasteful number, since it uses less digits than its factorization.

21422243034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231714 (or 1231711 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 21422243034 its reverse (43034222412), we get a palindrome (64456465446).

The spelling of 21422243034 in words is "twenty-one billion, four hundred twenty-two million, two hundred forty-three thousand, thirty-four".