227361428 has 12 divisors (see below), whose sum is σ = 454722912. Its totient is φ = 97440600.

The previous prime is 227361413. The next prime is 227361469. The reversal of 227361428 is 824163722.

227361428 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059998 + ... + 4060053.

It is an arithmetic number, because the mean of its divisors is an integer number (37893576).

Almost surely, 2^227361428 is an apocalyptic number.

227361428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227361428 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.

227361428 is a wasteful number, since it uses less digits than its factorization.

227361428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120062 (or 8120060 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 227361428 is about 15078.5088122135. The cubic root of 227361428 is about 610.3406034765.

The spelling of 227361428 in words is "two hundred twenty-seven million, three hundred sixty-one thousand, four hundred twenty-eight".