228460457 has 2 divisors, whose sum is σ = 228460458. Its totient is φ = 228460456.

The previous prime is 228460439. The next prime is 228460471. The reversal of 228460457 is 754064822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214651801 + 13808656 = 14651^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 228460457 - 2¹⁶ = 228394921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228460457.

It is not a weakly prime, because it can be changed into another prime (228460417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114230228 + 114230229.

It is an arithmetic number, because the mean of its divisors is an integer number (114230229).

Almost surely, 2^228460457 is an apocalyptic number.

It is an amenable number.

228460457 is a deficient number, since it is larger than the sum of its proper divisors (1).

228460457 is an equidigital number, since it uses as much as digits as its factorization.

228460457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 228460457 is about 15114.9084350518. The cubic root of 228460457 is about 611.3224529548.

The spelling of 228460457 in words is "two hundred twenty-eight million, four hundred sixty thousand, four hundred fifty-seven".