228156606 has 12 divisors (see below), whose sum is σ = 494339352. Its totient is φ = 76052196.

The previous prime is 228156589. The next prime is 228156611. The reversal of 228156606 is 606651822.

It is a super-2 number, since 2×228156606² = 104110873722878472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6337666 + ... + 6337701.

It is an arithmetic number, because the mean of its divisors is an integer number (41194946).

Almost surely, 2^228156606 is an apocalyptic number.

228156606 is an abundant number, since it is smaller than the sum of its proper divisors (266182746).

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

228156606 is a wasteful number, since it uses less digits than its factorization.

228156606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12675375 (or 12675372 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 228156606 is about 15104.8537232242. The cubic root of 228156606 is about 611.0513143499.

The spelling of 228156606 in words is "two hundred twenty-eight million, one hundred fifty-six thousand, six hundred six".