2243666893 has 8 divisors (see below), whose sum is σ = 2424030336. Its totient is φ = 2064414000.

The previous prime is 2243666891. The next prime is 2243666897. The reversal of 2243666893 is 3986663422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243666893 - 2¹ = 2243666891 is a prime.

It is a super-2 number, since 2×2243666893² = 10068082253488546898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243666891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273433 + ... + 281518.

It is an arithmetic number, because the mean of its divisors is an integer number (303003792).

Almost surely, 2^2243666893 is an apocalyptic number.

It is an amenable number.

2243666893 is a deficient number, since it is larger than the sum of its proper divisors (180363443).

2243666893 is a wasteful number, since it uses less digits than its factorization.

2243666893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555275.

The product of its digits is 2239488, while the sum is 49.

The square root of 2243666893 is about 47367.3610516778. The cubic root of 2243666893 is about 1309.1401021110.

The spelling of 2243666893 in words is "two billion, two hundred forty-three million, six hundred sixty-six thousand, eight hundred ninety-three".