22443854422500 has 2400 divisors, whose sum is σ = 90812697034752. Its totient is φ = 4721587200000.

The previous prime is 22443854422469. The next prime is 22443854422511. The reversal of 22443854422500 is 522445834422.

It is a happy number.

22443854422500 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 3 + 85 + 44 + 22 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 799 ways as a sum of consecutive naturals, for example, 148634797425 + ... + 148634797575.

Almost surely, 2^{22443854422500} is an apocalyptic number.

22443854422500 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 22443854422500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45406348517376).

22443854422500 is an abundant number, since it is smaller than the sum of its proper divisors (68368842612252).

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

22443854422500 is a wasteful number, since it uses less digits than its factorization.

22443854422500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 45.

The spelling of 22443854422500 in words is "twenty-two trillion, four hundred forty-three billion, eight hundred fifty-four million, four hundred twenty-two thousand, five hundred".