228049340 has 12 divisors (see below), whose sum is σ = 478903656. Its totient is φ = 91219728.

The previous prime is 228049331. The next prime is 228049357. The reversal of 228049340 is 43940822.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 228049297 and 228049306.

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, 5701214 + ... + 5701253.

It is an arithmetic number, because the mean of its divisors is an integer number (39908638).

Almost surely, 2^228049340 is an apocalyptic number.

228049340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228049340 is an abundant number, since it is smaller than the sum of its proper divisors (250854316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228049340 is a wasteful number, since it uses less digits than its factorization.

228049340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11402476 (or 11402474 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 228049340 is about 15101.3025928229. The cubic root of 228049340 is about 610.9555390461.

The spelling of 228049340 in words is "two hundred twenty-eight million, forty-nine thousand, three hundred forty".