2245000221 has 12 divisors (see below), whose sum is σ = 3248545248. Its totient is φ = 1494005064.

The previous prime is 2245000217. The next prime is 2245000237. The reversal of 2245000221 is 1220005422.

It is not a de Polignac number, because 2245000221 - 2² = 2245000217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2245000194 and 2245000203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245000211) 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 11 ways as a sum of consecutive naturals, for example, 216465 + ... + 226598.

It is an arithmetic number, because the mean of its divisors is an integer number (270712104).

Almost surely, 2^2245000221 is an apocalyptic number.

It is an amenable number.

2245000221 is a deficient number, since it is larger than the sum of its proper divisors (1003545027).

2245000221 is a wasteful number, since it uses less digits than its factorization.

2245000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443632 (or 443629 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2245000221 is about 47381.4332940657. The cubic root of 2245000221 is about 1309.3993752246.

Adding to 2245000221 its reverse (1220005422), we get a palindrome (3465005643).

The spelling of 2245000221 in words is "two billion, two hundred forty-five million, two hundred twenty-one", and thus it is an aban number.