224445678889 has 4 divisors (see below), whose sum is σ = 224451351424. Its totient is φ = 224440006356.

The previous prime is 224445678841. The next prime is 224445678931. The reversal of 224445678889 is 988876544422.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224445678889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (224445678839) 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, 2776497 + ... + 2856190.

It is an arithmetic number, because the mean of its divisors is an integer number (56112837856).

Almost surely, 2^224445678889 is an apocalyptic number.

It is an amenable number.

224445678889 is a deficient number, since it is larger than the sum of its proper divisors (5672535).

224445678889 is an equidigital number, since it uses as much as digits as its factorization.

224445678889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672534.

The product of its digits is 247726080, while the sum is 67.

The spelling of 224445678889 in words is "two hundred twenty-four billion, four hundred forty-five million, six hundred seventy-eight thousand, eight hundred eighty-nine".