2322809280 has 672 divisors, whose sum is σ = 9757013760. Its totient is φ = 499875840.

The previous prime is 2322809267. The next prime is 2322809287. The reversal of 2322809280 is 829082232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322809287) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10232527 + ... + 10232753.

Almost surely, 2^2322809280 is an apocalyptic number.

2322809280 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 2322809280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4878506880).

2322809280 is an abundant number, since it is smaller than the sum of its proper divisors (7434204480).

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

2322809280 is a wasteful number, since it uses less digits than its factorization.

2322809280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2322809280 is about 48195.5317430983. The cubic root of 2322809280 is about 1324.3553109125.

The spelling of 2322809280 in words is "two billion, three hundred twenty-two million, eight hundred nine thousand, two hundred eighty".