22232214400 has 96 divisors (see below), whose sum is σ = 59913386280. Its totient is φ = 8084428800.

The previous prime is 22232214397. The next prime is 22232214409. The reversal of 22232214400 is 441223222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232214409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280599 + ... + 350998.

Almost surely, 2^22232214400 is an apocalyptic number.

22232214400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232214400 is an abundant number, since it is smaller than the sum of its proper divisors (37681171880).

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

22232214400 is a wasteful number, since it uses less digits than its factorization.

22232214400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631632 (or 631615 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22232214400 its reverse (441223222), we get a palindrome (22673437622).

It can be divided in two parts, 22232 and 214400, that added together give a palindrome (236632).

The spelling of 22232214400 in words is "twenty-two billion, two hundred thirty-two million, two hundred fourteen thousand, four hundred".