223406469 has 48 divisors (see below), whose sum is σ = 401454144. Its totient is φ = 117619200.

The previous prime is 223406441. The next prime is 223406497. The reversal of 223406469 is 964604322.

223406469 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 0 + 646 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (223406441) and next prime (223406497).

It is not a de Polignac number, because 223406469 - 2¹¹ = 223404421 is a prime.

It is a super-2 number, since 2×223406469² = 99820900782095922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223406069) 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 47 ways as a sum of consecutive naturals, for example, 16774 + ... + 26984.

It is an arithmetic number, because the mean of its divisors is an integer number (8363628).

Almost surely, 2^223406469 is an apocalyptic number.

It is an amenable number.

223406469 is a deficient number, since it is larger than the sum of its proper divisors (178047675).

223406469 is a wasteful number, since it uses less digits than its factorization.

223406469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10258 (or 10255 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 223406469 is about 14946.7879158032. The cubic root of 223406469 is about 606.7809182169.

The spelling of 223406469 in words is "two hundred twenty-three million, four hundred six thousand, four hundred sixty-nine".