22328915400 has 576 divisors, whose sum is σ = 86995771200. Its totient is φ = 5080320000.

The previous prime is 22328915359. The next prime is 22328915417. The reversal of 22328915400 is 451982322.

It is a happy number.

22328915400 is a `hidden beast` number, since 2 + 2 + 3 + 28 + 91 + 540 + 0 = 666.

It is a super-3 number, since 3×22328915400³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21244875 + ... + 21245925.

It is an arithmetic number, because the mean of its divisors is an integer number (151034325).

Almost surely, 2^22328915400 is an apocalyptic number.

22328915400 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 22328915400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43497885600).

22328915400 is an abundant number, since it is smaller than the sum of its proper divisors (64666855800).

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

22328915400 is a wasteful number, since it uses less digits than its factorization.

22328915400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 22328915400 in words is "twenty-two billion, three hundred twenty-eight million, nine hundred fifteen thousand, four hundred".