224138486 has 16 divisors (see below), whose sum is σ = 394985808. Its totient is φ = 94044000.

The previous prime is 224138483. The next prime is 224138491. The reversal of 224138486 is 684831422.

It is a super-3 number, since 3×224138486³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224138483) 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, 391565 + ... + 392136.

It is an arithmetic number, because the mean of its divisors is an integer number (24686613).

Almost surely, 2^224138486 is an apocalyptic number.

224138486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

224138486 is a deficient number, since it is larger than the sum of its proper divisors (170847322).

224138486 is a wasteful number, since it uses less digits than its factorization.

224138486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783727.

The product of its digits is 73728, while the sum is 38.

The square root of 224138486 is about 14971.2553247882. The cubic root of 224138486 is about 607.4429248597.

The spelling of 224138486 in words is "two hundred twenty-four million, one hundred thirty-eight thousand, four hundred eighty-six".