2247660361 has 4 divisors (see below), whose sum is σ = 2253322372. Its totient is φ = 2241998352.

The previous prime is 2247660329. The next prime is 2247660391. The reversal of 2247660361 is 1630667422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 478953225 + 1768707136 = 21885^2 + 42056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247660361 - 2⁵ = 2247660329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2247660361.

It is not an unprimeable number, because it can be changed into a prime (2247660391) 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, 2830410 + ... + 2831203.

It is an arithmetic number, because the mean of its divisors is an integer number (563330593).

Almost surely, 2^2247660361 is an apocalyptic number.

It is an amenable number.

2247660361 is a deficient number, since it is larger than the sum of its proper divisors (5662011).

2247660361 is an equidigital number, since it uses as much as digits as its factorization.

2247660361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662010.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2247660361 is about 47409.4965275946. The cubic root of 2247660361 is about 1309.9163478235.

The spelling of 2247660361 in words is "two billion, two hundred forty-seven million, six hundred sixty thousand, three hundred sixty-one".