2220813877 has 2 divisors, whose sum is σ = 2220813878. Its totient is φ = 2220813876.

The previous prime is 2220813857. The next prime is 2220813901. The reversal of 2220813877 is 7783180222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1859851876 + 360962001 = 43126^2 + 18999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220813877 - 2¹⁵ = 2220781109 is a prime.

It is a super-2 number, since 2×2220813877² = 9864028552551542258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220813857) 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 as a sum of consecutive naturals, namely, 1110406938 + 1110406939.

It is an arithmetic number, because the mean of its divisors is an integer number (1110406939).

Almost surely, 2^2220813877 is an apocalyptic number.

It is an amenable number.

2220813877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220813877 is an equidigital number, since it uses as much as digits as its factorization.

2220813877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 2220813877 is about 47125.5119547788. The cubic root of 2220813877 is about 1304.6801478755.

The spelling of 2220813877 in words is "two billion, two hundred twenty million, eight hundred thirteen thousand, eight hundred seventy-seven".