228378742 has 16 divisors (see below), whose sum is σ = 349726464. Its totient is φ = 111825000.

The previous prime is 228378737. The next prime is 228378757. The reversal of 228378742 is 247873822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16117 + ... + 26767.

It is an arithmetic number, because the mean of its divisors is an integer number (21857904).

Almost surely, 2^228378742 is an apocalyptic number.

228378742 is a deficient number, since it is larger than the sum of its proper divisors (121347722).

228378742 is a wasteful number, since it uses less digits than its factorization.

228378742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875.

The product of its digits is 301056, while the sum is 43.

The square root of 228378742 is about 15112.2050674281. The cubic root of 228378742 is about 611.2495589817.

The spelling of 228378742 in words is "two hundred twenty-eight million, three hundred seventy-eight thousand, seven hundred forty-two".