228142486 has 16 divisors (see below), whose sum is σ = 402041808. Its totient is φ = 95724000.

The previous prime is 228142459. The next prime is 228142487. The reversal of 228142486 is 684241822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228142487) 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, 398565 + ... + 399136.

It is an arithmetic number, because the mean of its divisors is an integer number (25127613).

Almost surely, 2^228142486 is an apocalyptic number.

228142486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228142486 is a deficient number, since it is larger than the sum of its proper divisors (173899322).

228142486 is a wasteful number, since it uses less digits than its factorization.

228142486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797727.

The product of its digits is 49152, while the sum is 37.

The square root of 228142486 is about 15104.3863165638. The cubic root of 228142486 is about 611.0387086479.

The spelling of 228142486 in words is "two hundred twenty-eight million, one hundred forty-two thousand, four hundred eighty-six".