223444429 has 8 divisors (see below), whose sum is σ = 241015712. Its totient is φ = 205927920.

The previous prime is 223444409. The next prime is 223444453. The reversal of 223444429 is 924444322.

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

It is a cyclic number.

It is not a de Polignac number, because 223444429 - 2⁹ = 223443917 is a prime.

It is a super-2 number, since 2×223444429² = 99854825702272082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223444394 and 223444403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5007 + ... + 21724.

It is an arithmetic number, because the mean of its divisors is an integer number (30126964).

Almost surely, 2^223444429 is an apocalyptic number.

It is an amenable number.

223444429 is a deficient number, since it is larger than the sum of its proper divisors (17571283).

223444429 is a wasteful number, since it uses less digits than its factorization.

223444429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27387.

The product of its digits is 55296, while the sum is 34.

The square root of 223444429 is about 14948.0576999154. The cubic root of 223444429 is about 606.8152832308.

The spelling of 223444429 in words is "two hundred twenty-three million, four hundred forty-four thousand, four hundred twenty-nine".