2287422720 has 432 divisors, whose sum is σ = 8938493760. Its totient is φ = 553512960.

The previous prime is 2287422719. The next prime is 2287422737. The reversal of 2287422720 is 272247822.

2287422720 is a `hidden beast` number, since 228 + 7 + 422 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4181487 + ... + 4182033.

Almost surely, 2^2287422720 is an apocalyptic number.

2287422720 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 2287422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4469246880).

2287422720 is an abundant number, since it is smaller than the sum of its proper divisors (6651071040).

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

2287422720 is a wasteful number, since it uses less digits than its factorization.

2287422720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 2287422720 is about 47827.0082693869. The cubic root of 2287422720 is about 1317.5956230922.

The spelling of 2287422720 in words is "two billion, two hundred eighty-seven million, four hundred twenty-two thousand, seven hundred twenty".