21422041030 has 32 divisors (see below), whose sum is σ = 42957734400. Its totient is φ = 7636927872.

The previous prime is 21422041021. The next prime is 21422041049. The reversal of 21422041030 is 3014022412.

It is a junction number, because it is equal to n+sod(n) for n = 21422040989 and 21422041007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2837350 + ... + 2844889.

It is an arithmetic number, because the mean of its divisors is an integer number (1342429200).

Almost surely, 2^21422041030 is an apocalyptic number.

21422041030 is an abundant number, since it is smaller than the sum of its proper divisors (21535693370).

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

21422041030 is a wasteful number, since it uses less digits than its factorization.

21422041030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682288.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21422041030 its reverse (3014022412), we get a palindrome (24436063442).

The spelling of 21422041030 in words is "twenty-one billion, four hundred twenty-two million, forty-one thousand, thirty".