2206545256 has 8 divisors (see below), whose sum is σ = 4137272370. Its totient is φ = 1103272624.

The previous prime is 2206545247. The next prime is 2206545269. The reversal of 2206545256 is 6525456022.

It can be written as a sum of positive squares in only one way, i.e., 1583244100 + 623301156 = 39790^2 + 24966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2206545256² = 9737683933552211072, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 137909071 + ... + 137909086.

Almost surely, 2^2206545256 is an apocalyptic number.

It is an amenable number.

2206545256 is a deficient number, since it is larger than the sum of its proper divisors (1930727114).

2206545256 is a wasteful number, since it uses less digits than its factorization.

2206545256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275818163 (or 275818159 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 2206545256 is about 46973.8784432369. The cubic root of 2206545256 is about 1301.8799734880.

The spelling of 2206545256 in words is "two billion, two hundred six million, five hundred forty-five thousand, two hundred fifty-six".