2255022666 has 40 divisors (see below), whose sum is σ = 5441612484. Its totient is φ = 693852480.

The previous prime is 2255022631. The next prime is 2255022691. The reversal of 2255022666 is 6662205522.

It can be written as a sum of positive squares in 2 ways, for example, as 2253875625 + 1147041 = 47475^2 + 1071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2255022666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 533275 + ... + 537486.

Almost surely, 2^2255022666 is an apocalyptic number.

2255022666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2255022666 is an abundant number, since it is smaller than the sum of its proper divisors (3186589818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2255022666 is a wasteful number, since it uses less digits than its factorization.

2255022666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070788 (or 1070779 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2255022666 is about 47487.0789373278. The cubic root of 2255022666 is about 1311.3450175617.

The spelling of 2255022666 in words is "two billion, two hundred fifty-five million, twenty-two thousand, six hundred sixty-six".