2220575081 has 2 divisors, whose sum is σ = 2220575082. Its totient is φ = 2220575080.

The previous prime is 2220575069. The next prime is 2220575191. The reversal of 2220575081 is 1805750222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168545856 + 1052029225 = 34184^2 + 32435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220575081 - 2³⁰ = 1146833257 is a prime.

It is a super-2 number, since 2×2220575081² = 9861907380716313122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2220575881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110287540 + 1110287541.

It is an arithmetic number, because the mean of its divisors is an integer number (1110287541).

Almost surely, 2^2220575081 is an apocalyptic number.

It is an amenable number.

2220575081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220575081 is an equidigital number, since it uses as much as digits as its factorization.

2220575081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 2220575081 is about 47122.9782696298. The cubic root of 2220575081 is about 1304.6333837033.

The spelling of 2220575081 in words is "two billion, two hundred twenty million, five hundred seventy-five thousand, eighty-one".