20224422442 has 16 divisors (see below), whose sum is σ = 34878049920. Its totient is φ = 8615706768.

The previous prime is 20224422437. The next prime is 20224422469. The reversal of 20224422442 is 24422442202.

It is a super-2 number, since 2×20224422442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20224422442.

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, 4322817 + ... + 4327492.

It is an arithmetic number, because the mean of its divisors is an integer number (2179878120).

Almost surely, 2^20224422442 is an apocalyptic number.

20224422442 is a deficient number, since it is larger than the sum of its proper divisors (14653627478).

20224422442 is a wasteful number, since it uses less digits than its factorization.

20224422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8650485.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20224422442 its reverse (24422442202), we get a palindrome (44646864644).

The spelling of 20224422442 in words is "twenty billion, two hundred twenty-four million, four hundred twenty-two thousand, four hundred forty-two".