2205654400 has 48 divisors (see below), whose sum is σ = 5448663540. Its totient is φ = 882260480.

The previous prime is 2205654389. The next prime is 2205654419. The reversal of 2205654400 is 44565022.

It is a super-2 number, since 2×2205654400² = 9729822664478720000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341434 + ... + 347833.

Almost surely, 2^2205654400 is an apocalyptic number.

2205654400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205654400 is an abundant number, since it is smaller than the sum of its proper divisors (3243009140).

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

2205654400 is an equidigital number, since it uses as much as digits as its factorization.

2205654400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689291 (or 689274 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2205654400 is about 46964.3950243160. The cubic root of 2205654400 is about 1301.7047457651.

The spelling of 2205654400 in words is "two billion, two hundred five million, six hundred fifty-four thousand, four hundred".