2240661224 has 8 divisors (see below), whose sum is σ = 4201239810. Its totient is φ = 1120330608.

The previous prime is 2240661169. The next prime is 2240661229. The reversal of 2240661224 is 4221660422.

It can be written as a sum of positive squares in only one way, i.e., 2099289124 + 141372100 = 45818^2 + 11890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2240661229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140041319 + ... + 140041334.

Almost surely, 2^2240661224 is an apocalyptic number.

It is an amenable number.

2240661224 is a deficient number, since it is larger than the sum of its proper divisors (1960578586).

2240661224 is a wasteful number, since it uses less digits than its factorization.

2240661224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280082659 (or 280082655 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2240661224 is about 47335.6232028269. The cubic root of 2240661224 is about 1308.5552559065. Note that the first 3 decimals are identical.

The spelling of 2240661224 in words is "two billion, two hundred forty million, six hundred sixty-one thousand, two hundred twenty-four".