2210225605 has 12 divisors (see below), whose sum is σ = 3085294860. Its totient is φ = 1515583104.

The previous prime is 2210225533. The next prime is 2210225629. The reversal of 2210225605 is 5065220122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1387339009 + 822886596 = 37247^2 + 28686^2 .

It is not a de Polignac number, because 2210225605 - 2⁹ = 2210225093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2210225605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4510420 + ... + 4510909.

It is an arithmetic number, because the mean of its divisors is an integer number (257107905).

Almost surely, 2^2210225605 is an apocalyptic number.

It is an amenable number.

2210225605 is a deficient number, since it is larger than the sum of its proper divisors (875069255).

2210225605 is an equidigital number, since it uses as much as digits as its factorization.

2210225605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021348 (or 9021341 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2210225605 is about 47013.0365430696. The cubic root of 2210225605 is about 1302.6033835684.

Adding to 2210225605 its reverse (5065220122), we get a palindrome (7275445727).

The spelling of 2210225605 in words is "two billion, two hundred ten million, two hundred twenty-five thousand, six hundred five".