9122750400 has 168 divisors, whose sum is σ = 30962772720. Its totient is φ = 2348810240.

The previous prime is 9122750363. The next prime is 9122750407. The reversal of 9122750400 is 40572219.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9122750407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106432 + ... + 171968.

Almost surely, 2^9122750400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9122750400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15481386360).

9122750400 is an abundant number, since it is smaller than the sum of its proper divisors (21840022320).

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

9122750400 is a wasteful number, since it uses less digits than its factorization.

9122750400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65591 (or 65576 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 9122750400 is about 95513.0902023382. The cubic root of 9122750400 is about 2089.4978609453.

The spelling of 9122750400 in words is "nine billion, one hundred twenty-two million, seven hundred fifty thousand, four hundred".