22002053400 has 144 divisors (see below), whose sum is σ = 75101919360. Its totient is φ = 5771001600.

The previous prime is 22002053389. The next prime is 22002053431. The reversal of 22002053400 is 435020022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9609 + ... + 209991.

Almost surely, 2^22002053400 is an apocalyptic number.

22002053400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002053400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37550959680).

22002053400 is an abundant number, since it is smaller than the sum of its proper divisors (53099865960).

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

22002053400 is a wasteful number, since it uses less digits than its factorization.

22002053400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200466 (or 200454 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 22002053400 its reverse (435020022), we get a palindrome (22437073422).

The spelling of 22002053400 in words is "twenty-two billion, two million, fifty-three thousand, four hundred".