2270764521 has 6 divisors (see below), whose sum is σ = 3279993210. Its totient is φ = 1513843008.

The previous prime is 2270764513. The next prime is 2270764567. The reversal of 2270764521 is 1254670722.

It is a happy number.

2270764521 is a `hidden beast` number, since 2 + 2 + 7 + 0 + 7 + 645 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2264712921 + 6051600 = 47589^2 + 2460^2 .

It is not a de Polignac number, because 2270764521 - 2³ = 2270764513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2270764501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126153576 + ... + 126153593.

It is an arithmetic number, because the mean of its divisors is an integer number (546665535).

Almost surely, 2^2270764521 is an apocalyptic number.

It is an amenable number.

2270764521 is a deficient number, since it is larger than the sum of its proper divisors (1009228689).

2270764521 is a wasteful number, since it uses less digits than its factorization.

2270764521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252307175 (or 252307172 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2270764521 is about 47652.5395021084. The cubic root of 2270764521 is about 1314.3893555764.

The spelling of 2270764521 in words is "two billion, two hundred seventy million, seven hundred sixty-four thousand, five hundred twenty-one".