227687140 has 24 divisors (see below), whose sum is σ = 480792312. Its totient is φ = 90570240.

The previous prime is 227687123. The next prime is 227687147. The reversal of 227687140 is 41786722.

227687140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 226683136 = 1002^2 + 15056^2 .

It is a super-3 number, since 3×227687140³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 227687140.

It is not an unprimeable number, because it can be changed into a prime (227687147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27829 + ... + 35068.

It is an arithmetic number, because the mean of its divisors is an integer number (20033013).

Almost surely, 2^227687140 is an apocalyptic number.

227687140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227687140 is an abundant number, since it is smaller than the sum of its proper divisors (253105172).

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

227687140 is a wasteful number, since it uses less digits than its factorization.

227687140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63087 (or 63085 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 227687140 is about 15089.3054843488. The cubic root of 227687140 is about 610.6319170417.

The spelling of 227687140 in words is "two hundred twenty-seven million, six hundred eighty-seven thousand, one hundred forty".