2242521445251 has 8 divisors (see below), whose sum is σ = 2990192154640. Its totient is φ = 1494932516352.

The previous prime is 2242521445237. The next prime is 2242521445277. The reversal of 2242521445251 is 1525441252422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2242521445251 - 2¹⁹ = 2242520920963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242521495251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20381110 + ... + 20490843.

It is an arithmetic number, because the mean of its divisors is an integer number (373774019330).

Almost surely, 2^{2242521445251} is an apocalyptic number.

2242521445251 is a deficient number, since it is larger than the sum of its proper divisors (747670709389).

2242521445251 is a wasteful number, since it uses less digits than its factorization.

2242521445251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40890245.

The product of its digits is 256000, while the sum is 39.

Adding to 2242521445251 its reverse (1525441252422), we get a palindrome (3767962697673).

The spelling of 2242521445251 in words is "two trillion, two hundred forty-two billion, five hundred twenty-one million, four hundred forty-five thousand, two hundred fifty-one".