2225301646 has 4 divisors (see below), whose sum is σ = 3337952472. Its totient is φ = 1112650822.

The previous prime is 2225301623. The next prime is 2225301671. The reversal of 2225301646 is 6461035222.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 556325410 + ... + 556325413.

It is an arithmetic number, because the mean of its divisors is an integer number (834488118).

Almost surely, 2^2225301646 is an apocalyptic number.

2225301646 is a deficient number, since it is larger than the sum of its proper divisors (1112650826).

2225301646 is a wasteful number, since it uses less digits than its factorization.

2225301646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112650825.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2225301646 is about 47173.1029931252. The cubic root of 2225301646 is about 1305.5583789980.

Adding to 2225301646 its reverse (6461035222), we get a palindrome (8686336868).

The spelling of 2225301646 in words is "two billion, two hundred twenty-five million, three hundred one thousand, six hundred forty-six".