222486813 has 12 divisors (see below), whose sum is σ = 321516000. Its totient is φ = 148257096.

The previous prime is 222486799. The next prime is 222486821. The reversal of 222486813 is 318684222.

It is not a de Polignac number, because 222486813 - 2⁶ = 222486749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222486853) 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 11 ways as a sum of consecutive naturals, for example, 22870 + ... + 31112.

It is an arithmetic number, because the mean of its divisors is an integer number (26793000).

Almost surely, 2^222486813 is an apocalyptic number.

It is an amenable number.

222486813 is a deficient number, since it is larger than the sum of its proper divisors (99029187).

222486813 is a wasteful number, since it uses less digits than its factorization.

222486813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248 (or 11245 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 222486813 is about 14915.9918543823. The cubic root of 222486813 is about 605.9471656058.

The spelling of 222486813 in words is "two hundred twenty-two million, four hundred eighty-six thousand, eight hundred thirteen".