22378573800 has 288 divisors, whose sum is σ = 82347408000. Its totient is φ = 5401267200.

The previous prime is 22378573783. The next prime is 22378573829. The reversal of 22378573800 is 837587322.

22378573800 is a `hidden beast` number, since 2 + 2 + 3 + 78 + 573 + 8 + 0 + 0 = 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 71 ways as a sum of consecutive naturals, for example, 4729836 + ... + 4734564.

It is an arithmetic number, because the mean of its divisors is an integer number (285928500).

Almost surely, 2^22378573800 is an apocalyptic number.

22378573800 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 22378573800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41173704000).

22378573800 is an abundant number, since it is smaller than the sum of its proper divisors (59968834200).

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

22378573800 is a wasteful number, since it uses less digits than its factorization.

22378573800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001 (or 4989 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 22378573800 in words is "twenty-two billion, three hundred seventy-eight million, five hundred seventy-three thousand, eight hundred".