2225664660 has 48 divisors (see below), whose sum is σ = 6239310336. Its totient is φ = 592801152.

The previous prime is 2225664659. The next prime is 2225664677. The reversal of 2225664660 is 664665222.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 29437 + ... + 72923.

It is an arithmetic number, because the mean of its divisors is an integer number (129985632).

Almost surely, 2^2225664660 is an apocalyptic number.

2225664660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225664660 is an abundant number, since it is smaller than the sum of its proper divisors (4013645676).

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

2225664660 is a wasteful number, since it uses less digits than its factorization.

2225664660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44352 (or 44350 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 2225664660 is about 47176.9505161154. The cubic root of 2225664660 is about 1305.6293671569.

The spelling of 2225664660 in words is "two billion, two hundred twenty-five million, six hundred sixty-four thousand, six hundred sixty".