227920164 has 24 divisors (see below), whose sum is σ = 550152960. Its totient is φ = 73353504.

The previous prime is 227920159. The next prime is 227920211. The reversal of 227920164 is 461029722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327124 + ... + 327819.

It is an arithmetic number, because the mean of its divisors is an integer number (22923040).

Almost surely, 2^227920164 is an apocalyptic number.

It is an amenable number.

227920164 is an abundant number, since it is smaller than the sum of its proper divisors (322232796).

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

227920164 is a wasteful number, since it uses less digits than its factorization.

227920164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654979 (or 654977 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 227920164 is about 15097.0250049472. The cubic root of 227920164 is about 610.8401609461.

Adding to 227920164 its reverse (461029722), we get a palindrome (688949886).

The spelling of 227920164 in words is "two hundred twenty-seven million, nine hundred twenty thousand, one hundred sixty-four".