226304428 has 12 divisors (see below), whose sum is σ = 452608912. Its totient is φ = 96987600.

The previous prime is 226304423. The next prime is 226304431. The reversal of 226304428 is 824403622.

226304428 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 226304428.

It is not an unprimeable number, because it can be changed into a prime (226304423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041123 + ... + 4041178.

Almost surely, 2^226304428 is an apocalyptic number.

226304428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

226304428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

226304428 is a wasteful number, since it uses less digits than its factorization.

226304428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082312 (or 8082310 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 226304428 is about 15043.4180956324. The cubic root of 226304428 is about 609.3933124210.

The spelling of 226304428 in words is "two hundred twenty-six million, three hundred four thousand, four hundred twenty-eight".