2227766025761 has 4 divisors (see below), whose sum is σ = 2279574538032. Its totient is φ = 2175957513492.

The previous prime is 2227766025631. The next prime is 2227766025869. The reversal of 2227766025761 is 1675206677222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2227766025761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2227766022761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25904256071 + ... + 25904256156.

It is an arithmetic number, because the mean of its divisors is an integer number (569893634508).

Almost surely, 2^{2227766025761} is an apocalyptic number.

It is an amenable number.

2227766025761 is a deficient number, since it is larger than the sum of its proper divisors (51808512271).

2227766025761 is an equidigital number, since it uses as much as digits as its factorization.

2227766025761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51808512270.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 2227766025761 in words is "two trillion, two hundred twenty-seven billion, seven hundred sixty-six million, twenty-five thousand, seven hundred sixty-one".