2223057761 has 4 divisors (see below), whose sum is σ = 2277278724. Its totient is φ = 2168836800.

The previous prime is 2223057691. The next prime is 2223057797. The reversal of 2223057761 is 1677503222.

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 1176147025 + 1046910736 = 34295^2 + 32356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223057761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223057061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27110420 + ... + 27110501.

It is an arithmetic number, because the mean of its divisors is an integer number (569319681).

Almost surely, 2^2223057761 is an apocalyptic number.

It is an amenable number.

2223057761 is a deficient number, since it is larger than the sum of its proper divisors (54220963).

2223057761 is an equidigital number, since it uses as much as digits as its factorization.

2223057761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54220962.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 2223057761 is about 47149.3134732628. The cubic root of 2223057761 is about 1305.1194110821.

The spelling of 2223057761 in words is "two billion, two hundred twenty-three million, fifty-seven thousand, seven hundred sixty-one".