2405872722 has 64 divisors (see below), whose sum is σ = 5327337600. Its totient is φ = 718272000.

The previous prime is 2405872673. The next prime is 2405872723. The reversal of 2405872722 is 2272785042.

It is a happy number.

2405872722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2405872723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1552404 + ... + 1553952.

It is an arithmetic number, because the mean of its divisors is an integer number (83239650).

Almost surely, 2^2405872722 is an apocalyptic number.

2405872722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2405872722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663668800).

2405872722 is an abundant number, since it is smaller than the sum of its proper divisors (2921464878).

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

2405872722 is a wasteful number, since it uses less digits than its factorization.

2405872722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 2405872722 is about 49049.6964516601. The cubic root of 2405872722 is about 1339.9570644147.

The spelling of 2405872722 in words is "two billion, four hundred five million, eight hundred seventy-two thousand, seven hundred twenty-two".