20222450226 has 64 divisors (see below), whose sum is σ = 49065782400. Its totient is φ = 6122808000.

The previous prime is 20222450221. The next prime is 20222450239. The reversal of 20222450226 is 62205422202.

20222450226 is a `hidden beast` number, since 202 + 2 + 2 + 450 + 2 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20222450226.

It is not an unprimeable number, because it can be changed into a prime (20222450221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716176 + ... + 743876.

It is an arithmetic number, because the mean of its divisors is an integer number (766652850).

Almost surely, 2^20222450226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222450226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24532891200).

20222450226 is an abundant number, since it is smaller than the sum of its proper divisors (28843332174).

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

20222450226 is a wasteful number, since it uses less digits than its factorization.

20222450226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28952 (or 28946 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20222450226 its reverse (62205422202), we get a palindrome (82427872428).

The spelling of 20222450226 in words is "twenty billion, two hundred twenty-two million, four hundred fifty thousand, two hundred twenty-six".