228851697 has 16 divisors (see below), whose sum is σ = 313821632. Its totient is φ = 148236480.

The previous prime is 228851677. The next prime is 228851717. The reversal of 228851697 is 796158822.

It is an interprime number because it is at equal distance from previous prime (228851677) and next prime (228851717).

It is not a de Polignac number, because 228851697 - 2¹⁰ = 228850673 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228851617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142503 + ... + 144099.

It is an arithmetic number, because the mean of its divisors is an integer number (19613852).

Almost surely, 2^228851697 is an apocalyptic number.

It is an amenable number.

228851697 is a deficient number, since it is larger than the sum of its proper divisors (84969935).

228851697 is a wasteful number, since it uses less digits than its factorization.

228851697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928.

The product of its digits is 483840, while the sum is 48.

The square root of 228851697 is about 15127.8450877843. The cubic root of 228851697 is about 611.6712184852.

The spelling of 228851697 in words is "two hundred twenty-eight million, eight hundred fifty-one thousand, six hundred ninety-seven".