2274223691 has 4 divisors (see below), whose sum is σ = 2276166984. Its totient is φ = 2272280400.

The previous prime is 2274223687. The next prime is 2274223697. The reversal of 2274223691 is 1963224722.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2274223691 - 2² = 2274223687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2274223697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969890 + ... + 972231.

It is an arithmetic number, because the mean of its divisors is an integer number (569041746).

Almost surely, 2^2274223691 is an apocalyptic number.

2274223691 is a deficient number, since it is larger than the sum of its proper divisors (1943293).

2274223691 is a wasteful number, since it uses less digits than its factorization.

2274223691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943292.

The product of its digits is 72576, while the sum is 38.

The square root of 2274223691 is about 47688.8214469597. The cubic root of 2274223691 is about 1315.0564421310.

The spelling of 2274223691 in words is "two billion, two hundred seventy-four million, two hundred twenty-three thousand, six hundred ninety-one".