227329428 has 12 divisors (see below), whose sum is σ = 530435360. Its totient is φ = 75776472.

The previous prime is 227329387. The next prime is 227329429. The reversal of 227329428 is 824923722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227329429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9472048 + ... + 9472071.

Almost surely, 2^227329428 is an apocalyptic number.

It is an amenable number.

227329428 is an abundant number, since it is smaller than the sum of its proper divisors (303105932).

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

227329428 is a wasteful number, since it uses less digits than its factorization.

227329428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18944126 (or 18944124 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 227329428 is about 15077.4476619884. The cubic root of 227329428 is about 610.3119679895.

The spelling of 227329428 in words is "two hundred twenty-seven million, three hundred twenty-nine thousand, four hundred twenty-eight".