2274657749 has 32 divisors (see below), whose sum is σ = 3093189120. Its totient is φ = 1620191232.

The previous prime is 2274657727. The next prime is 2274657761. The reversal of 2274657749 is 9477564722.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2274657749 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2274657749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274657709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3617 + ... + 67545.

It is an arithmetic number, because the mean of its divisors is an integer number (96662160).

Almost surely, 2^2274657749 is an apocalyptic number.

It is an amenable number.

2274657749 is a deficient number, since it is larger than the sum of its proper divisors (818531371).

2274657749 is a wasteful number, since it uses less digits than its factorization.

2274657749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63989.

The product of its digits is 5927040, while the sum is 53.

The square root of 2274657749 is about 47693.3721705647. The cubic root of 2274657749 is about 1315.1401006355.

The spelling of 2274657749 in words is "two billion, two hundred seventy-four million, six hundred fifty-seven thousand, seven hundred forty-nine".