2242521445252 has 12 divisors (see below), whose sum is σ = 4281177304656. Its totient is φ = 1019327929640.

The previous prime is 2242521445237. The next prime is 2242521445277. The reversal of 2242521445252 is 2525441252422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25483198198 + ... + 25483198285.

It is an arithmetic number, because the mean of its divisors is an integer number (356764775388).

Almost surely, 2^{2242521445252} is an apocalyptic number.

2242521445252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2242521445252 is a deficient number, since it is larger than the sum of its proper divisors (2038655859404).

2242521445252 is a wasteful number, since it uses less digits than its factorization.

2242521445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50966396498 (or 50966396496 counting only the distinct ones).

The product of its digits is 512000, while the sum is 40.

Adding to 2242521445252 its reverse (2525441252422), we get a palindrome (4767962697674).

The spelling of 2242521445252 in words is "two trillion, two hundred forty-two billion, five hundred twenty-one million, four hundred forty-five thousand, two hundred fifty-two".