2886220228261 has 4 divisors (see below), whose sum is σ = 2979324106624. Its totient is φ = 2793116349900.

The previous prime is 2886220228259. The next prime is 2886220228277. The reversal of 2886220228261 is 1628220226882.

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 not a de Polignac number, because 2886220228261 - 2¹ = 2886220228259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2886220228201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46551939135 + ... + 46551939196.

It is an arithmetic number, because the mean of its divisors is an integer number (744831026656).

Almost surely, 2^{2886220228261} is an apocalyptic number.

It is an amenable number.

2886220228261 is a deficient number, since it is larger than the sum of its proper divisors (93103878363).

2886220228261 is an equidigital number, since it uses as much as digits as its factorization.

2886220228261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93103878362.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 2886220228261 in words is "two trillion, eight hundred eighty-six billion, two hundred twenty million, two hundred twenty-eight thousand, two hundred sixty-one".