2220343242 has 64 divisors (see below), whose sum is σ = 5093383680. Its totient is φ = 639212544.

The previous prime is 2220343231. The next prime is 2220343243. The reversal of 2220343242 is 2423430222.

It is a happy number.

It is a super-2 number, since 2×2220343242² = 9859848224590141128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220343243) 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, 224559 + ... + 234237.

It is an arithmetic number, because the mean of its divisors is an integer number (79584120).

Almost surely, 2^2220343242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220343242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2546691840).

2220343242 is an abundant number, since it is smaller than the sum of its proper divisors (2873040438).

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

2220343242 is a wasteful number, since it uses less digits than its factorization.

2220343242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2220343242 is about 47120.5182696455. The cubic root of 2220343242 is about 1304.5879787346.

Adding to 2220343242 its reverse (2423430222), we get a palindrome (4643773464).

The spelling of 2220343242 in words is "two billion, two hundred twenty million, three hundred forty-three thousand, two hundred forty-two".