227738028 has 96 divisors (see below), whose sum is σ = 660029440. Its totient is φ = 59641920.

The previous prime is 227738023. The next prime is 227738033. The reversal of 227738028 is 820837722.

It is an interprime number because it is at equal distance from previous prime (227738023) and next prime (227738033).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (227738023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47175 + ... + 51777.

Almost surely, 2^227738028 is an apocalyptic number.

227738028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227738028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330014720).

227738028 is an abundant number, since it is smaller than the sum of its proper divisors (432291412).

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

227738028 is a wasteful number, since it uses less digits than its factorization.

227738028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 227738028 is about 15090.9916175180. The cubic root of 227738028 is about 610.6774056630.

The spelling of 227738028 in words is "two hundred twenty-seven million, seven hundred thirty-eight thousand, twenty-eight".