227881158 has 16 divisors (see below), whose sum is σ = 482572080. Its totient is φ = 71492096.

The previous prime is 227881153. The next prime is 227881163. The reversal of 227881158 is 851188722.

It is an interprime number because it is at equal distance from previous prime (227881153) and next prime (227881163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227881151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116963 + ... + 1117166.

It is an arithmetic number, because the mean of its divisors is an integer number (30160755).

Almost surely, 2^227881158 is an apocalyptic number.

227881158 is an abundant number, since it is smaller than the sum of its proper divisors (254690922).

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

227881158 is a wasteful number, since it uses less digits than its factorization.

227881158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234151.

The product of its digits is 71680, while the sum is 42.

The square root of 227881158 is about 15095.7331057488. The cubic root of 227881158 is about 610.8053127925.

It can be divided in two parts, 2278 and 81158, that added together give a triangular number (83436 = T₄₀₈).

The spelling of 227881158 in words is "two hundred twenty-seven million, eight hundred eighty-one thousand, one hundred fifty-eight".