228226510861603 has 2 divisors, whose sum is σ = 228226510861604. Its totient is φ = 228226510861602.

The previous prime is 228226510861523. The next prime is 228226510861627. The reversal of 228226510861603 is 306168015622822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228226510861603 - 2²¹ = 228226508764451 is a prime.

It is a super-2 number, since 2×228226510861603² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228226510831603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114113255430801 + 114113255430802.

It is an arithmetic number, because the mean of its divisors is an integer number (114113255430802).

Almost surely, 2^{228226510861603} is an apocalyptic number.

228226510861603 is a deficient number, since it is larger than the sum of its proper divisors (1).

228226510861603 is an equidigital number, since it uses as much as digits as its factorization.

228226510861603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 228226510861603 in words is "two hundred twenty-eight trillion, two hundred twenty-six billion, five hundred ten million, eight hundred sixty-one thousand, six hundred three".