227171142 has 40 divisors (see below), whose sum is σ = 555311592. Its totient is φ = 68839200.

The previous prime is 227171129. The next prime is 227171149. The reversal of 227171142 is 241171722.

It is a happy number.

227171142 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227171149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61959 + ... + 65522.

Almost surely, 2^227171142 is an apocalyptic number.

227171142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

227171142 is an abundant number, since it is smaller than the sum of its proper divisors (328140450).

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

227171142 is a wasteful number, since it uses less digits than its factorization.

227171142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127506 (or 127497 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 227171142 is about 15072.1976499779. The cubic root of 227171142 is about 610.1702848076.

The spelling of 227171142 in words is "two hundred twenty-seven million, one hundred seventy-one thousand, one hundred forty-two".