223240634 has 8 divisors (see below), whose sum is σ = 354558708. Its totient is φ = 105054400.

The previous prime is 223240631. The next prime is 223240657. The reversal of 223240634 is 436042322.

223240634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220671025 + 2569609 = 14855^2 + 1603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×223240634³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223240631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282917 + ... + 3282984.

Almost surely, 2^223240634 is an apocalyptic number.

223240634 is a deficient number, since it is larger than the sum of its proper divisors (131318074).

223240634 is a wasteful number, since it uses less digits than its factorization.

223240634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565920.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 223240634 is about 14941.2393729570. The cubic root of 223240634 is about 606.6307428848.

Adding to 223240634 its reverse (436042322), we get a palindrome (659282956).

The spelling of 223240634 in words is "two hundred twenty-three million, two hundred forty thousand, six hundred thirty-four".