228458613 has 8 divisors (see below), whose sum is σ = 311695648. Its totient is φ = 148763664.

The previous prime is 228458611. The next prime is 228458627. The reversal of 228458613 is 316854822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228458613 - 2¹ = 228458611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228458611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885370 + ... + 885627.

It is an arithmetic number, because the mean of its divisors is an integer number (38961956).

Almost surely, 2^228458613 is an apocalyptic number.

It is an amenable number.

228458613 is a deficient number, since it is larger than the sum of its proper divisors (83237035).

228458613 is a wasteful number, since it uses less digits than its factorization.

228458613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771043.

The product of its digits is 92160, while the sum is 39.

The square root of 228458613 is about 15114.8474355516. The cubic root of 228458613 is about 611.3208082039.

The spelling of 228458613 in words is "two hundred twenty-eight million, four hundred fifty-eight thousand, six hundred thirteen".