227898891 has 12 divisors (see below), whose sum is σ = 359113560. Its totient is φ = 138120480.

The previous prime is 227898883. The next prime is 227898893. The reversal of 227898891 is 198898722.

It is not a de Polignac number, because 227898891 - 2³ = 227898883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227898893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150906 + ... + 1151103.

It is an arithmetic number, because the mean of its divisors is an integer number (29926130).

Almost surely, 2^227898891 is an apocalyptic number.

227898891 is a deficient number, since it is larger than the sum of its proper divisors (131214669).

227898891 is a wasteful number, since it uses less digits than its factorization.

227898891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302026 (or 2302023 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 227898891 is about 15096.3204457245. The cubic root of 227898891 is about 610.8211560354.

The spelling of 227898891 in words is "two hundred twenty-seven million, eight hundred ninety-eight thousand, eight hundred ninety-one".