21422144414 has 16 divisors (see below), whose sum is σ = 37116443376. Its totient is φ = 9164553600.

The previous prime is 21422144389. The next prime is 21422144423. The reversal of 21422144414 is 41444122412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28638857 + ... + 28639604.

It is an arithmetic number, because the mean of its divisors is an integer number (2319777711).

Almost surely, 2^21422144414 is an apocalyptic number.

21422144414 is a deficient number, since it is larger than the sum of its proper divisors (15694298962).

21422144414 is a wasteful number, since it uses less digits than its factorization.

21422144414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57278491.

The product of its digits is 8192, while the sum is 29.

Adding to 21422144414 its reverse (41444122412), we get a palindrome (62866266826).

The spelling of 21422144414 in words is "twenty-one billion, four hundred twenty-two million, one hundred forty-four thousand, four hundred fourteen".