2225665651 has 12 divisors (see below), whose sum is σ = 2447625600. Its totient is φ = 2022313040.

The previous prime is 2225665649. The next prime is 2225665723. The reversal of 2225665651 is 1565665222.

2225665651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2225665651 - 2¹ = 2225665649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225665601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345165 + ... + 351553.

It is an arithmetic number, because the mean of its divisors is an integer number (203968800).

Almost surely, 2^2225665651 is an apocalyptic number.

2225665651 is a deficient number, since it is larger than the sum of its proper divisors (221959949).

2225665651 is a wasteful number, since it uses less digits than its factorization.

2225665651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290 (or 9279 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 2225665651 is about 47176.9610191246. The cubic root of 2225665651 is about 1305.6295609385.

The spelling of 2225665651 in words is "two billion, two hundred twenty-five million, six hundred sixty-five thousand, six hundred fifty-one".