22223435512400 has 120 divisors (see below), whose sum is σ = 54016853366784. Its totient is φ = 8785840089600.

The previous prime is 22223435512321. The next prime is 22223435512403. The reversal of 22223435512400 is 421553432222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223435512403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12528710 + ... + 14192090.

Almost surely, 2^{22223435512400} is an apocalyptic number.

22223435512400 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 22223435512400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27008426683392).

22223435512400 is an abundant number, since it is smaller than the sum of its proper divisors (31793417854384).

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

22223435512400 is a wasteful number, since it uses less digits than its factorization.

22223435512400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663789 (or 1663778 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 22223435512400 its reverse (421553432222), we get a palindrome (22644988944622).

The spelling of 22223435512400 in words is "twenty-two trillion, two hundred twenty-three billion, four hundred thirty-five million, five hundred twelve thousand, four hundred".