2251197360 has 200 divisors, whose sum is σ = 7927513440. Its totient is φ = 591971328.

The previous prime is 2251197359. The next prime is 2251197367. The reversal of 2251197360 is 637911522.

2251197360 is a `hidden beast` number, since 22 + 511 + 97 + 36 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2251197367) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 470661 + ... + 475419.

Almost surely, 2^2251197360 is an apocalyptic number.

2251197360 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 2251197360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3963756720).

2251197360 is an abundant number, since it is smaller than the sum of its proper divisors (5676316080).

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

2251197360 is a wasteful number, since it uses less digits than its factorization.

2251197360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857 (or 4842 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2251197360 is about 47446.7845064342. The cubic root of 2251197360 is about 1310.6030981745.

The spelling of 2251197360 in words is "two billion, two hundred fifty-one million, one hundred ninety-seven thousand, three hundred sixty".