223135406 has 32 divisors (see below), whose sum is σ = 369593280. Its totient is φ = 100399104.

The previous prime is 223135369. The next prime is 223135439. The reversal of 223135406 is 604531322.

It is a super-3 number, since 3×223135406³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265535 + ... + 266373.

It is an arithmetic number, because the mean of its divisors is an integer number (11549790).

Almost surely, 2^223135406 is an apocalyptic number.

223135406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

223135406 is a deficient number, since it is larger than the sum of its proper divisors (146457874).

223135406 is a wasteful number, since it uses less digits than its factorization.

223135406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 223135406 is about 14937.7175632692. The cubic root of 223135406 is about 606.5354129097.

Adding to 223135406 its reverse (604531322), we get a palindrome (827666728).

The spelling of 223135406 in words is "two hundred twenty-three million, one hundred thirty-five thousand, four hundred six".