227542172 has 48 divisors (see below), whose sum is σ = 470400000. Its totient is φ = 94944960.

The previous prime is 227542171. The next prime is 227542177. The reversal of 227542172 is 271245722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227542171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112829 + ... + 114827.

It is an arithmetic number, because the mean of its divisors is an integer number (9800000).

Almost surely, 2^227542172 is an apocalyptic number.

227542172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

227542172 is an abundant number, since it is smaller than the sum of its proper divisors (242857828).

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

227542172 is a wasteful number, since it uses less digits than its factorization.

227542172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2224 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 227542172 is about 15084.5010524047. The cubic root of 227542172 is about 610.5022934396.

Adding to 227542172 its reverse (271245722), we get a palindrome (498787894).

The spelling of 227542172 in words is "two hundred twenty-seven million, five hundred forty-two thousand, one hundred seventy-two".