2209855224 has 32 divisors (see below), whose sum is σ = 5543511120. Its totient is φ = 734102016.

The previous prime is 2209855223. The next prime is 2209855237. The reversal of 2209855224 is 4225589022.

It is a super-2 number, since 2×2209855224² = 9766920222080180352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209855223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150097 + ... + 164160.

Almost surely, 2^2209855224 is an apocalyptic number.

2209855224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2209855224 is an abundant number, since it is smaller than the sum of its proper divisors (3333655896).

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

2209855224 is a wasteful number, since it uses less digits than its factorization.

2209855224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314559 (or 314555 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2209855224 is about 47009.0972472350. The cubic root of 2209855224 is about 1302.5306177695.

The spelling of 2209855224 in words is "two billion, two hundred nine million, eight hundred fifty-five thousand, two hundred twenty-four".