2225649789 has 48 divisors (see below), whose sum is σ = 3642874560. Its totient is φ = 1297486080.

The previous prime is 2225649787. The next prime is 2225649793. The reversal of 2225649789 is 9879465222.

2225649789 is a `hidden beast` number, since 2 + 2 + 2 + 564 + 9 + 78 + 9 = 666.

It is not a de Polignac number, because 2225649789 - 2¹ = 2225649787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225649787) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322594 + ... + 329420.

It is an arithmetic number, because the mean of its divisors is an integer number (75893220).

Almost surely, 2^2225649789 is an apocalyptic number.

It is an amenable number.

2225649789 is a deficient number, since it is larger than the sum of its proper divisors (1417224771).

2225649789 is a wasteful number, since it uses less digits than its factorization.

2225649789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970 (or 6967 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 2225649789 is about 47176.7929071063. The cubic root of 2225649789 is about 1305.6264592529.

The spelling of 2225649789 in words is "two billion, two hundred twenty-five million, six hundred forty-nine thousand, seven hundred eighty-nine".