2225773220 has 72 divisors (see below), whose sum is σ = 5172546624. Its totient is φ = 803880000.

The previous prime is 2225773211. The next prime is 2225773241. The reversal of 2225773220 is 223775222.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 362375 + ... + 368465.

Almost surely, 2^2225773220 is an apocalyptic number.

2225773220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225773220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2586273312).

2225773220 is an abundant number, since it is smaller than the sum of its proper divisors (2946773404).

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

2225773220 is a wasteful number, since it uses less digits than its factorization.

2225773220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273 (or 6260 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 2225773220 is about 47178.1010639470. The cubic root of 2225773220 is about 1305.6505947962.

The spelling of 2225773220 in words is "two billion, two hundred twenty-five million, seven hundred seventy-three thousand, two hundred twenty".