22400002000 has 40 divisors (see below), whose sum is σ = 54163209672. Its totient is φ = 8960000000.

The previous prime is 22400001971. The next prime is 22400002049. The reversal of 22400002000 is 20000422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 441504144 + 21958497856 = 21012^2 + 148184^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 5598001 + ... + 5602000.

Almost surely, 2^22400002000 is an apocalyptic number.

22400002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22400002000 is an abundant number, since it is smaller than the sum of its proper divisors (31763207672).

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

22400002000 is a wasteful number, since it uses less digits than its factorization.

22400002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200024 (or 11200008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22400002000 its reverse (20000422), we get a palindrome (22420002422).

The spelling of 22400002000 in words is "twenty-two billion, four hundred million, two thousand".