2223643887 has 16 divisors (see below), whose sum is σ = 3437518080. Its totient is φ = 1417975416.

The previous prime is 2223643879. The next prime is 2223643943. The reversal of 2223643887 is 7883463222.

It is not a de Polignac number, because 2223643887 - 2³ = 2223643879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223643847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789753 + ... + 1790994.

It is an arithmetic number, because the mean of its divisors is an integer number (214844880).

Almost surely, 2^2223643887 is an apocalyptic number.

2223643887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2223643887 is a deficient number, since it is larger than the sum of its proper divisors (1213874193).

2223643887 is a wasteful number, since it uses less digits than its factorization.

2223643887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580779 (or 3580773 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 2223643887 is about 47155.5287002489. The cubic root of 2223643887 is about 1305.2341025390.

The spelling of 2223643887 in words is "two billion, two hundred twenty-three million, six hundred forty-three thousand, eight hundred eighty-seven".