22033240400 has 60 divisors (see below), whose sum is σ = 52949131872. Its totient is φ = 8810920320.

The previous prime is 22033240393. The next prime is 22033240417. The reversal of 22033240400 is 404233022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2878979 + ... + 2886621.

Almost surely, 2^22033240400 is an apocalyptic number.

22033240400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22033240400 is an abundant number, since it is smaller than the sum of its proper divisors (30915891472).

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

22033240400 is a wasteful number, since it uses less digits than its factorization.

22033240400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14868 (or 14857 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22033240400 its reverse (404233022), we get a palindrome (22437473422).

The spelling of 22033240400 in words is "twenty-two billion, thirty-three million, two hundred forty thousand, four hundred".