227993808 has 40 divisors (see below), whose sum is σ = 673125568. Its totient is φ = 65140992.

The previous prime is 227993803. The next prime is 227993833. The reversal of 227993808 is 808399722.

It is a happy number.

227993808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227993803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338941 + ... + 339612.

Almost surely, 2^227993808 is an apocalyptic number.

227993808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227993808 is an abundant number, since it is smaller than the sum of its proper divisors (445131760).

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

227993808 is a wasteful number, since it uses less digits than its factorization.

227993808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678571 (or 678565 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 227993808 is about 15099.4638315405. The cubic root of 227993808 is about 610.9059440224.

The spelling of 227993808 in words is "two hundred twenty-seven million, nine hundred ninety-three thousand, eight hundred eight".