223459136 has 14 divisors (see below), whose sum is σ = 443426850. Its totient is φ = 111729536.

The previous prime is 223459127. The next prime is 223459139. The reversal of 223459136 is 631954322.

It can be written as a sum of positive squares in only one way, i.e., 172764736 + 50694400 = 13144^2 + 7120^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223459096 and 223459105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223459139) 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 as a sum of consecutive naturals, namely, 1745711 + ... + 1745838.

Almost surely, 2^223459136 is an apocalyptic number.

It is an amenable number.

223459136 is a deficient number, since it is larger than the sum of its proper divisors (219967714).

223459136 is an equidigital number, since it uses as much as digits as its factorization.

223459136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491561 (or 3491551 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 223459136 is about 14948.5496286429. The cubic root of 223459136 is about 606.8285963643.

The spelling of 223459136 in words is "two hundred twenty-three million, four hundred fifty-nine thousand, one hundred thirty-six".