2292479280 has 640 divisors, whose sum is σ = 9899366400. Its totient is φ = 474771456.

The previous prime is 2292479249. The next prime is 2292479281. The reversal of 2292479280 is 829742922.

It is a super-2 number, since 2×2292479280² = 10510922498458636800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2292479281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21031866 + ... + 21031974.

It is an arithmetic number, because the mean of its divisors is an integer number (15467760).

Almost surely, 2^2292479280 is an apocalyptic number.

2292479280 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 2292479280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4949683200).

2292479280 is an abundant number, since it is smaller than the sum of its proper divisors (7606887120).

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

2292479280 is a wasteful number, since it uses less digits than its factorization.

2292479280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2292479280 is about 47879.8421050028. The cubic root of 2292479280 is about 1318.5657976511.

The spelling of 2292479280 in words is "two billion, two hundred ninety-two million, four hundred seventy-nine thousand, two hundred eighty".