21041441422 has 16 divisors (see below), whose sum is σ = 32432954400. Its totient is φ = 10230768288.

The previous prime is 21041441419. The next prime is 21041441489. The reversal of 21041441422 is 22414414012.

It is a happy number.

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, 59704 + ... + 213652.

It is an arithmetic number, because the mean of its divisors is an integer number (2027059650).

Almost surely, 2^21041441422 is an apocalyptic number.

21041441422 is a deficient number, since it is larger than the sum of its proper divisors (11391512978).

21041441422 is a wasteful number, since it uses less digits than its factorization.

21041441422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155835.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 21041441422 its reverse (22414414012), we get a palindrome (43455855434).

The spelling of 21041441422 in words is "twenty-one billion, forty-one million, four hundred forty-one thousand, four hundred twenty-two".