2200425221 has 4 divisors (see below), whose sum is σ = 2241942732. Its totient is φ = 2158907712.

The previous prime is 2200425217. The next prime is 2200425223. The reversal of 2200425221 is 1225240022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2001220225 + 199204996 = 44735^2 + 14114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200425221 - 2² = 2200425217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200425193 and 2200425202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200425223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20758676 + ... + 20758781.

It is an arithmetic number, because the mean of its divisors is an integer number (560485683).

Almost surely, 2^2200425221 is an apocalyptic number.

It is an amenable number.

2200425221 is a deficient number, since it is larger than the sum of its proper divisors (41517511).

2200425221 is an equidigital number, since it uses as much as digits as its factorization.

2200425221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41517510.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2200425221 is about 46908.6902503150. The cubic root of 2200425221 is about 1300.6752352103.

Adding to 2200425221 its reverse (1225240022), we get a palindrome (3425665243).

The spelling of 2200425221 in words is "two billion, two hundred million, four hundred twenty-five thousand, two hundred twenty-one".