2243542122220 has 96 divisors (see below), whose sum is σ = 5463517602816. Its totient is φ = 757938988800.

The previous prime is 2243542122181. The next prime is 2243542122229. The reversal of 2243542122220 is 222212453422.

It is not an unprimeable number, because it can be changed into a prime (2243542122229) 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, 17240719 + ... + 17370361.

It is an arithmetic number, because the mean of its divisors is an integer number (56911641696).

Almost surely, 2^{2243542122220} is an apocalyptic number.

2243542122220 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 2243542122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2731758801408).

2243542122220 is an abundant number, since it is smaller than the sum of its proper divisors (3219975480596).

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

2243542122220 is a wasteful number, since it uses less digits than its factorization.

2243542122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131471 (or 131469 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 2243542122220 its reverse (222212453422), we get a palindrome (2465754575642).

The spelling of 2243542122220 in words is "two trillion, two hundred forty-three billion, five hundred forty-two million, one hundred twenty-two thousand, two hundred twenty".