228719415251 has 2 divisors, whose sum is σ = 228719415252. Its totient is φ = 228719415250.

The previous prime is 228719415247. The next prime is 228719415263. The reversal of 228719415251 is 152514917822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228719415251 - 2² = 228719415247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228719415196 and 228719415205.

It is not a weakly prime, because it can be changed into another prime (228719415751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114359707625 + 114359707626.

It is an arithmetic number, because the mean of its divisors is an integer number (114359707626).

Almost surely, 2^228719415251 is an apocalyptic number.

228719415251 is a deficient number, since it is larger than the sum of its proper divisors (1).

228719415251 is an equidigital number, since it uses as much as digits as its factorization.

228719415251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 47.

The spelling of 228719415251 in words is "two hundred twenty-eight billion, seven hundred nineteen million, four hundred fifteen thousand, two hundred fifty-one".