2243021867 has 4 divisors (see below), whose sum is σ = 2243198736. Its totient is φ = 2242845000.

The previous prime is 2243021861. The next prime is 2243021887. The reversal of 2243021867 is 7681203422.

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 2243021867 - 2¹² = 2243017771 is a prime.

It is a super-2 number, since 2×2243021867² = 10062294191680331378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243021861) 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, 67808 + ... + 95309.

It is an arithmetic number, because the mean of its divisors is an integer number (560799684).

Almost surely, 2^2243021867 is an apocalyptic number.

2243021867 is a deficient number, since it is larger than the sum of its proper divisors (176869).

2243021867 is a wasteful number, since it uses less digits than its factorization.

2243021867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176868.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2243021867 is about 47360.5518021064. The cubic root of 2243021867 is about 1309.0146363181.

The spelling of 2243021867 in words is "two billion, two hundred forty-three million, twenty-one thousand, eight hundred sixty-seven".