228392494 has 8 divisors (see below), whose sum is σ = 373733208. Its totient is φ = 103814760.

The previous prime is 228392473. The next prime is 228392537. The reversal of 228392494 is 494293822.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228392494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5190717 + ... + 5190760.

It is an arithmetic number, because the mean of its divisors is an integer number (46716651).

Almost surely, 2^228392494 is an apocalyptic number.

228392494 is a deficient number, since it is larger than the sum of its proper divisors (145340714).

228392494 is a wasteful number, since it uses less digits than its factorization.

228392494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381490.

The product of its digits is 248832, while the sum is 43.

The square root of 228392494 is about 15112.6600570515. The cubic root of 228392494 is about 611.2618276881.

The spelling of 228392494 in words is "two hundred twenty-eight million, three hundred ninety-two thousand, four hundred ninety-four".