2422156660 has 96 divisors (see below), whose sum is σ = 6352496640. Its totient is φ = 753667200.

The previous prime is 2422156637. The next prime is 2422156663. The reversal of 2422156660 is 666512242.

2422156660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422156663) 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, 1321945 + ... + 1323775.

It is an arithmetic number, because the mean of its divisors is an integer number (66171840).

Almost surely, 2^2422156660 is an apocalyptic number.

2422156660 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 2422156660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3176248320).

2422156660 is an abundant number, since it is smaller than the sum of its proper divisors (3930339980).

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

2422156660 is a wasteful number, since it uses less digits than its factorization.

2422156660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2422156660 is about 49215.4107978385. The cubic root of 2422156660 is about 1342.9733965512.

The spelling of 2422156660 in words is "two billion, four hundred twenty-two million, one hundred fifty-six thousand, six hundred sixty".