2225746663 has 4 divisors (see below), whose sum is σ = 2543710480. Its totient is φ = 1907782848.

The previous prime is 2225746661. The next prime is 2225746687. The reversal of 2225746663 is 3666475222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2225746663 - 2¹ = 2225746661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225746661) 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, 158981898 + ... + 158981911.

It is an arithmetic number, because the mean of its divisors is an integer number (635927620).

Almost surely, 2^2225746663 is an apocalyptic number.

2225746663 is a deficient number, since it is larger than the sum of its proper divisors (317963817).

2225746663 is an equidigital number, since it uses as much as digits as its factorization.

2225746663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317963816.

The product of its digits is 725760, while the sum is 43.

The square root of 2225746663 is about 47177.8196083711. The cubic root of 2225746663 is about 1305.6454019490.

The spelling of 2225746663 in words is "two billion, two hundred twenty-five million, seven hundred forty-six thousand, six hundred sixty-three".