616044223 has 2 divisors, whose sum is σ = 616044224. Its totient is φ = 616044222.

The previous prime is 616044211. The next prime is 616044241. The reversal of 616044223 is 322440616.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616044223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616044191 and 616044200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616044203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308022111 + 308022112.

It is an arithmetic number, because the mean of its divisors is an integer number (308022112).

Almost surely, 2^616044223 is an apocalyptic number.

616044223 is a deficient number, since it is larger than the sum of its proper divisors (1).

616044223 is an equidigital number, since it uses as much as digits as its factorization.

616044223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 616044223 is about 24820.2381737162. The cubic root of 616044223 is about 850.8845338812.

Adding to 616044223 its reverse (322440616), we get a palindrome (938484839).

The spelling of 616044223 in words is "six hundred sixteen million, forty-four thousand, two hundred twenty-three".