2274923661 has 4 divisors (see below), whose sum is σ = 3033231552. Its totient is φ = 1516615772.

The previous prime is 2274923653. The next prime is 2274923669. The reversal of 2274923661 is 1663294722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2274923653) and next prime (2274923669).

It is a cyclic number.

It is not a de Polignac number, because 2274923661 - 2³ = 2274923653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274923669) 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, 379153941 + ... + 379153946.

It is an arithmetic number, because the mean of its divisors is an integer number (758307888).

Almost surely, 2^2274923661 is an apocalyptic number.

It is an amenable number.

2274923661 is a deficient number, since it is larger than the sum of its proper divisors (758307891).

2274923661 is an equidigital number, since it uses as much as digits as its factorization.

2274923661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758307890.

The product of its digits is 217728, while the sum is 42.

The square root of 2274923661 is about 47696.1598139724. The cubic root of 2274923661 is about 1315.1913461335.

The spelling of 2274923661 in words is "two billion, two hundred seventy-four million, nine hundred twenty-three thousand, six hundred sixty-one".