2279430720 has 560 divisors, whose sum is σ = 9825045120. Its totient is φ = 489701376.

The previous prime is 2279430707. The next prime is 2279430739. The reversal of 2279430720 is 270349722.

It is a tau number, because it is divible by the number of its divisors (560).

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 79 ways as a sum of consecutive naturals, for example, 3084111 + ... + 3084849.

Almost surely, 2^2279430720 is an apocalyptic number.

2279430720 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 2279430720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4912522560).

2279430720 is an abundant number, since it is smaller than the sum of its proper divisors (7545614400).

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

2279430720 is a wasteful number, since it uses less digits than its factorization.

2279430720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2279430720 is about 47743.3840442841. The cubic root of 2279430720 is about 1316.0593217347.

The spelling of 2279430720 in words is "two billion, two hundred seventy-nine million, four hundred thirty thousand, seven hundred twenty".