22223454000 has 640 divisors, whose sum is σ = 85738798080. Its totient is φ = 4888576000.

The previous prime is 22223453977. The next prime is 22223454031. The reversal of 22223454000 is 45432222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32537659 + ... + 32538341.

It is an arithmetic number, because the mean of its divisors is an integer number (133966872).

Almost surely, 2^22223454000 is an apocalyptic number.

22223454000 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 22223454000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42869399040).

22223454000 is an abundant number, since it is smaller than the sum of its proper divisors (63515344080).

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

22223454000 is a wasteful number, since it uses less digits than its factorization.

22223454000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 22223454000 its reverse (45432222), we get a palindrome (22268886222).

The spelling of 22223454000 in words is "twenty-two billion, two hundred twenty-three million, four hundred fifty-four thousand".