2252020765 has 4 divisors (see below), whose sum is σ = 2702424924. Its totient is φ = 1801616608.

The previous prime is 2252020751. The next prime is 2252020777. The reversal of 2252020765 is 5670202522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 437771929 + 1814248836 = 20923^2 + 42594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252020765 - 2¹³ = 2252012573 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 225202072 + ... + 225202081.

It is an arithmetic number, because the mean of its divisors is an integer number (675606231).

Almost surely, 2^2252020765 is an apocalyptic number.

It is an amenable number.

2252020765 is a deficient number, since it is larger than the sum of its proper divisors (450404159).

2252020765 is an equidigital number, since it uses as much as digits as its factorization.

2252020765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450404158.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2252020765 is about 47455.4608554168. The cubic root of 2252020765 is about 1310.7628687953.

The spelling of 2252020765 in words is "two billion, two hundred fifty-two million, twenty thousand, seven hundred sixty-five".