228350457 has 6 divisors (see below), whose sum is σ = 329839562. Its totient is φ = 152233632.

The previous prime is 228350453. The next prime is 228350461. The reversal of 228350457 is 754053822.

228350457 is a `hidden beast` number, since 22 + 83 + 504 + 57 = 666.

It is an interprime number because it is at equal distance from previous prime (228350453) and next prime (228350461).

It can be written as a sum of positive squares in only one way, i.e., 189860841 + 38489616 = 13779^2 + 6204^2 .

It is not a de Polignac number, because 228350457 - 2² = 228350453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228350453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12686128 + ... + 12686145.

Almost surely, 2^228350457 is an apocalyptic number.

It is an amenable number.

228350457 is a deficient number, since it is larger than the sum of its proper divisors (101489105).

228350457 is a wasteful number, since it uses less digits than its factorization.

228350457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25372279 (or 25372276 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 228350457 is about 15111.2692054638. The cubic root of 228350457 is about 611.2243232593.

The spelling of 228350457 in words is "two hundred twenty-eight million, three hundred fifty thousand, four hundred fifty-seven".