227801028 has 48 divisors (see below), whose sum is σ = 654200960. Its totient is φ = 60079104.

The previous prime is 227801027. The next prime is 227801029. The reversal of 227801028 is 820108722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (227801027) and next prime (227801029).

It is a junction number, because it is equal to n+sod(n) for n = 227800986 and 227801004.

It is not an unprimeable number, because it can be changed into a prime (227801027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103213 + ... + 105396.

Almost surely, 2^227801028 is an apocalyptic number.

227801028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227801028 is an abundant number, since it is smaller than the sum of its proper divisors (426399932).

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

227801028 is a wasteful number, since it uses less digits than its factorization.

227801028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208636 (or 208634 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 227801028 is about 15093.0788111637. The cubic root of 227801028 is about 610.7337117761.

The spelling of 227801028 in words is "two hundred twenty-seven million, eight hundred one thousand, twenty-eight".