22000444120 has 32 divisors (see below), whose sum is σ = 49669971120. Its totient is φ = 8770138240.

The previous prime is 22000444117. The next prime is 22000444121. The reversal of 22000444120 is 2144400022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000444121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926866 + ... + 950305.

Almost surely, 2^22000444120 is an apocalyptic number.

22000444120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000444120 is an abundant number, since it is smaller than the sum of its proper divisors (27669527000).

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

22000444120 is a wasteful number, since it uses less digits than its factorization.

22000444120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877475 (or 1877471 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22000444120 its reverse (2144400022), we get a palindrome (24144844142).

The spelling of 22000444120 in words is "twenty-two billion, four hundred forty-four thousand, one hundred twenty".