228486693 has 16 divisors (see below), whose sum is σ = 312016896. Its totient is φ = 148659120.

The previous prime is 228486689. The next prime is 228486697. The reversal of 228486693 is 396684822.

It is an interprime number because it is at equal distance from previous prime (228486689) and next prime (228486697).

It is not a de Polignac number, because 228486693 - 2² = 228486689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228486697) 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, 51888 + ... + 56118.

It is an arithmetic number, because the mean of its divisors is an integer number (19501056).

Almost surely, 2^228486693 is an apocalyptic number.

It is an amenable number.

228486693 is a deficient number, since it is larger than the sum of its proper divisors (83530203).

228486693 is a wasteful number, since it uses less digits than its factorization.

228486693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664.

The product of its digits is 995328, while the sum is 48.

The square root of 228486693 is about 15115.7762949840. The cubic root of 228486693 is about 611.3458531268.

The spelling of 228486693 in words is "two hundred twenty-eight million, four hundred eighty-six thousand, six hundred ninety-three".