2203664672 has 24 divisors (see below), whose sum is σ = 4732871472. Its totient is φ = 1001665600.

The previous prime is 2203664657. The next prime is 2203664677. The reversal of 2203664672 is 2764663022.

It is a super-2 number, since 2×2203664672² = 9712275973241735168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2203664677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129854 + ... + 3130557.

It is an arithmetic number, because the mean of its divisors is an integer number (197202978).

Almost surely, 2^2203664672 is an apocalyptic number.

2203664672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2203664672 is an abundant number, since it is smaller than the sum of its proper divisors (2529206800).

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

2203664672 is a wasteful number, since it uses less digits than its factorization.

2203664672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260432 (or 6260424 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 2203664672 is about 46943.2068780990. The cubic root of 2203664672 is about 1301.3132039777.

The spelling of 2203664672 in words is "two billion, two hundred three million, six hundred sixty-four thousand, six hundred seventy-two".