227942428 has 24 divisors (see below), whose sum is σ = 456255072. Its totient is φ = 97610304.

The previous prime is 227942401. The next prime is 227942431. The reversal of 227942428 is 824249722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43350 + ... + 48322.

It is an arithmetic number, because the mean of its divisors is an integer number (19010628).

Almost surely, 2^227942428 is an apocalyptic number.

227942428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227942428 is an abundant number, since it is smaller than the sum of its proper divisors (228312644).

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

227942428 is a wasteful number, since it uses less digits than its factorization.

227942428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621 (or 6619 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 227942428 is about 15097.7623507591. The cubic root of 227942428 is about 610.8600499316.

The spelling of 227942428 in words is "two hundred twenty-seven million, nine hundred forty-two thousand, four hundred twenty-eight".