20211232422 has 8 divisors (see below), whose sum is σ = 40422464856. Its totient is φ = 6737077472.

The previous prime is 20211232397. The next prime is 20211232429. The reversal of 20211232422 is 22423211202.

It is a sphenic number, since it is the product of 3 distinct primes.

20211232422 is an admirable number.

It is a super-2 number, since 2×20211232422² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211232429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684269363 + ... + 1684269374.

It is an arithmetic number, because the mean of its divisors is an integer number (5052808107).

Almost surely, 2^20211232422 is an apocalyptic number.

20211232422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20211232422 is a wasteful number, since it uses less digits than its factorization.

20211232422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368538742.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20211232422 its reverse (22423211202), we get a palindrome (42634443624).

The spelling of 20211232422 in words is "twenty billion, two hundred eleven million, two hundred thirty-two thousand, four hundred twenty-two".