20211422224 has 80 divisors (see below), whose sum is σ = 46754364672. Its totient is φ = 8275728384.

The previous prime is 20211422183. The next prime is 20211422243. The reversal of 20211422224 is 42222411202.

It is a super-2 number, since 2×20211422224² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211422195 and 20211422204.

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, 2450812 + ... + 2459044.

Almost surely, 2^20211422224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20211422224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23377182336).

20211422224 is an abundant number, since it is smaller than the sum of its proper divisors (26542942448).

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

20211422224 is a wasteful number, since it uses less digits than its factorization.

20211422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224 (or 9218 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20211422224 its reverse (42222411202), we get a palindrome (62433833426).

The spelling of 20211422224 in words is "twenty billion, two hundred eleven million, four hundred twenty-two thousand, two hundred twenty-four".