228115042 has 8 divisors (see below), whose sum is σ = 346295376. Its totient is φ = 112683252.

The previous prime is 228115037. The next prime is 228115057. The reversal of 228115042 is 240511822.

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

It is a junction number, because it is equal to n+sod(n) for n = 228114998 and 228115016.

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, 686928 + ... + 687259.

It is an arithmetic number, because the mean of its divisors is an integer number (43286922).

Almost surely, 2^228115042 is an apocalyptic number.

228115042 is a deficient number, since it is larger than the sum of its proper divisors (118180334).

228115042 is a wasteful number, since it uses less digits than its factorization.

228115042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374272.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 228115042 is about 15103.4778114181. The cubic root of 228115042 is about 611.0142063890.

Adding to 228115042 its reverse (240511822), we get a palindrome (468626864).

The spelling of 228115042 in words is "two hundred twenty-eight million, one hundred fifteen thousand, forty-two".