556228901219 has 2 divisors, whose sum is σ = 556228901220. Its totient is φ = 556228901218.

The previous prime is 556228901203. The next prime is 556228901269. The reversal of 556228901219 is 912109822655.

It is a happy number.

It is an a-pointer prime, because the next prime (556228901269) can be obtained adding 556228901219 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556228901219 - 2⁴ = 556228901203 is a prime.

It is a super-2 number, since 2×556228901219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (556228901269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278114450609 + 278114450610.

It is an arithmetic number, because the mean of its divisors is an integer number (278114450610).

Almost surely, 2^556228901219 is an apocalyptic number.

556228901219 is a deficient number, since it is larger than the sum of its proper divisors (1).

556228901219 is an equidigital number, since it uses as much as digits as its factorization.

556228901219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 556228901219 in words is "five hundred fifty-six billion, two hundred twenty-eight million, nine hundred one thousand, two hundred nineteen".