228666126 has 24 divisors (see below), whose sum is σ = 495219960. Its totient is φ = 70358496.

The previous prime is 228666107. The next prime is 228666157. The reversal of 228666126 is 621666822.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111741 + ... + 113768.

It is an arithmetic number, because the mean of its divisors is an integer number (20634165).

Almost surely, 2^228666126 is an apocalyptic number.

228666126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228666126 is an abundant number, since it is smaller than the sum of its proper divisors (266553834).

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

228666126 is a wasteful number, since it uses less digits than its factorization.

228666126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225540 (or 225527 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 228666126 is about 15121.7104191292. The cubic root of 228666126 is about 611.5058433601.

The spelling of 228666126 in words is "two hundred twenty-eight million, six hundred sixty-six thousand, one hundred twenty-six".