227155668 has 48 divisors (see below), whose sum is σ = 541840320. Its totient is φ = 74041344.

The previous prime is 227155639. The next prime is 227155699. The reversal of 227155668 is 866551722.

227155668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366663 + ... + 367281.

It is an arithmetic number, because the mean of its divisors is an integer number (11288340).

Almost surely, 2^227155668 is an apocalyptic number.

It is an amenable number.

227155668 is an abundant number, since it is smaller than the sum of its proper divisors (314684652).

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

227155668 is a wasteful number, since it uses less digits than its factorization.

227155668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1254 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 227155668 is about 15071.6843119805. The cubic root of 227155668 is about 610.1564303639.

The spelling of 227155668 in words is "two hundred twenty-seven million, one hundred fifty-five thousand, six hundred sixty-eight".