22504427400 has 384 divisors, whose sum is σ = 86181984000. Its totient is φ = 4730572800.

The previous prime is 22504427369. The next prime is 22504427503. The reversal of 22504427400 is 472440522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19054810 + ... + 19055990.

It is an arithmetic number, because the mean of its divisors is an integer number (224432250).

Almost surely, 2^22504427400 is an apocalyptic number.

22504427400 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 22504427400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43090992000).

22504427400 is an abundant number, since it is smaller than the sum of its proper divisors (63677556600).

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

22504427400 is a wasteful number, since it uses less digits than its factorization.

22504427400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

Adding to 22504427400 its reverse (472440522), we get a palindrome (22976867922).

The spelling of 22504427400 in words is "twenty-two billion, five hundred four million, four hundred twenty-seven thousand, four hundred".