2602226666 has 16 divisors (see below), whose sum is σ = 4348549800. Its totient is φ = 1159612608.

The previous prime is 2602226623. The next prime is 2602226677. The reversal of 2602226666 is 6666222062.

It can be written as a sum of positive squares in 4 ways, for example, as 1877055625 + 725171041 = 43325^2 + 26929^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724861 + ... + 1726368.

Almost surely, 2^2602226666 is an apocalyptic number.

2602226666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2602226666 is a deficient number, since it is larger than the sum of its proper divisors (1746323134).

2602226666 is a wasteful number, since it uses less digits than its factorization.

2602226666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451273.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 2602226666 is about 51012.0247196678. The cubic root of 2602226666 is about 1375.4612959783.

The spelling of 2602226666 in words is "two billion, six hundred two million, two hundred twenty-six thousand, six hundred sixty-six".