2252522645 has 8 divisors (see below), whose sum is σ = 2703539256. Its totient is φ = 1801676736.

The previous prime is 2252522639. The next prime is 2252522681. The reversal of 2252522645 is 5462252522.

It can be written as a sum of positive squares in 4 ways, for example, as 1202633041 + 1049889604 = 34679^2 + 32402^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2252522645 - 2¹² = 2252518549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11582 + ... + 68111.

It is an arithmetic number, because the mean of its divisors is an integer number (337942407).

Almost surely, 2^2252522645 is an apocalyptic number.

It is an amenable number.

2252522645 is a deficient number, since it is larger than the sum of its proper divisors (451016611).

2252522645 is an equidigital number, since it uses as much as digits as its factorization.

2252522645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85351.

The product of its digits is 96000, while the sum is 35.

The square root of 2252522645 is about 47460.7484664960. The cubic root of 2252522645 is about 1310.8602327296.

The spelling of 2252522645 in words is "two billion, two hundred fifty-two million, five hundred twenty-two thousand, six hundred forty-five".