2422115220 has 96 divisors (see below), whose sum is σ = 7830805248. Its totient is φ = 547909632.

The previous prime is 2422115183. The next prime is 2422115233. The reversal of 2422115220 is 225112242.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11014 + ... + 70466.

It is an arithmetic number, because the mean of its divisors is an integer number (81570888).

Almost surely, 2^2422115220 is an apocalyptic number.

2422115220 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 2422115220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3915402624).

2422115220 is an abundant number, since it is smaller than the sum of its proper divisors (5408690028).

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

2422115220 is a wasteful number, since it uses less digits than its factorization.

2422115220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59569 (or 59567 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2422115220 is about 49214.9897896972. The cubic root of 2422115220 is about 1342.9657376556.

Adding to 2422115220 its reverse (225112242), we get a palindrome (2647227462).

The spelling of 2422115220 in words is "two billion, four hundred twenty-two million, one hundred fifteen thousand, two hundred twenty".