227135988 has 42 divisors (see below), whose sum is σ = 595966994. Its totient is φ = 75711024.

The previous prime is 227135983. The next prime is 227136037. The reversal of 227135988 is 889531722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 217326564 + 9809424 = 14742^2 + 3132^2 .

It is a super-2 number, since 2×227135988² = 103181514089472288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227135983) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 36031 + ... + 41862.

Almost surely, 2^227135988 is an apocalyptic number.

It is an amenable number.

227135988 is an abundant number, since it is smaller than the sum of its proper divisors (368831006).

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

227135988 is an equidigital number, since it uses as much as digits as its factorization.

227135988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77915 (or 77898 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 227135988 is about 15071.0314179223. The cubic root of 227135988 is about 610.1388092241.

The spelling of 227135988 in words is "two hundred twenty-seven million, one hundred thirty-five thousand, nine hundred eighty-eight".