228169116 has 96 divisors (see below), whose sum is σ = 681300480. Its totient is φ = 64685952.

The previous prime is 228169099. The next prime is 228169147. The reversal of 228169116 is 611961822.

It is a super-2 number, since 2×228169116² = 104122290992442912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102471 + ... + 104673.

It is an arithmetic number, because the mean of its divisors is an integer number (7096880).

Almost surely, 2^228169116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228169116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340650240).

228169116 is an abundant number, since it is smaller than the sum of its proper divisors (453131364).

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

228169116 is a wasteful number, since it uses less digits than its factorization.

228169116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2352 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 228169116 is about 15105.2678228491. The cubic root of 228169116 is about 611.0624822817.

The spelling of 228169116 in words is "two hundred twenty-eight million, one hundred sixty-nine thousand, one hundred sixteen".