21422422412 has 6 divisors (see below), whose sum is σ = 37489239228. Its totient is φ = 10711211204.

The previous prime is 21422422379. The next prime is 21422422429.

21422422412 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2677802798 + ... + 2677802805.

It is an arithmetic number, because the mean of its divisors is an integer number (6248206538).

Almost surely, 2^21422422412 is an apocalyptic number.

It is an amenable number.

21422422412 is a deficient number, since it is larger than the sum of its proper divisors (16066816816).

21422422412 is a wasteful number, since it uses less digits than its factorization.

21422422412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355605607 (or 5355605605 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The spelling of 21422422412 in words is "twenty-one billion, four hundred twenty-two million, four hundred twenty-two thousand, four hundred twelve".