2203448840 has 32 divisors (see below), whose sum is σ = 4963815000. Its totient is φ = 880303104.

The previous prime is 2203448813. The next prime is 2203448851. The reversal of 2203448840 is 488443022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2176595716 + 26853124 = 46654^2 + 5182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2203448840.

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, 65 + ... + 66384.

Almost surely, 2^2203448840 is an apocalyptic number.

2203448840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203448840 is an abundant number, since it is smaller than the sum of its proper divisors (2760366160).

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

2203448840 is a wasteful number, since it uses less digits than its factorization.

2203448840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67289 (or 67285 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 2203448840 is about 46940.9079588369. The cubic root of 2203448840 is about 1301.2707180519.

The spelling of 2203448840 in words is "two billion, two hundred three million, four hundred forty-eight thousand, eight hundred forty".