22103454400 has 84 divisors (see below), whose sum is σ = 57587695848. Its totient is φ = 8321290240.

The previous prime is 22103454353. The next prime is 22103454419. The reversal of 22103454400 is 445430122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379114 + ... + 433513.

Almost surely, 2^22103454400 is an apocalyptic number.

22103454400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103454400 is an abundant number, since it is smaller than the sum of its proper divisors (35484241448).

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

22103454400 is a wasteful number, since it uses less digits than its factorization.

22103454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812666 (or 812651 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22103454400 its reverse (445430122), we get a palindrome (22548884522).

The spelling of 22103454400 in words is "twenty-two billion, one hundred three million, four hundred fifty-four thousand, four hundred".