2205666604 has 24 divisors (see below), whose sum is σ = 4239728640. Its totient is φ = 999363024.

The previous prime is 2205666577. The next prime is 2205666613. The reversal of 2205666604 is 4066665022.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 629164 + ... + 632659.

It is an arithmetic number, because the mean of its divisors is an integer number (176655360).

Almost surely, 2^2205666604 is an apocalyptic number.

It is an amenable number.

2205666604 is a deficient number, since it is larger than the sum of its proper divisors (2034062036).

2205666604 is a wasteful number, since it uses less digits than its factorization.

2205666604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261869 (or 1261867 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2205666604 is about 46964.5249523510. The cubic root of 2205666604 is about 1301.7071465606.

The spelling of 2205666604 in words is "two billion, two hundred five million, six hundred sixty-six thousand, six hundred four".