20222134444 has 6 divisors (see below), whose sum is σ = 35388735284. Its totient is φ = 10111067220.

The previous prime is 20222134441. The next prime is 20222134459. The reversal of 20222134444 is 44443122202.

It is a super-2 number, since 2×20222134444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20222134441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527766802 + ... + 2527766809.

Almost surely, 2^20222134444 is an apocalyptic number.

It is an amenable number.

20222134444 is a deficient number, since it is larger than the sum of its proper divisors (15166600840).

20222134444 is a wasteful number, since it uses less digits than its factorization.

20222134444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055533615 (or 5055533613 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20222134444 its reverse (44443122202), we get a palindrome (64665256646).

The spelling of 20222134444 in words is "twenty billion, two hundred twenty-two million, one hundred thirty-four thousand, four hundred forty-four".