223400355 has 8 divisors (see below), whose sum is σ = 357440592. Its totient is φ = 119146848.

The previous prime is 223400329. The next prime is 223400363. The reversal of 223400355 is 553004322.

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

It is not a de Polignac number, because 223400355 - 2¹⁰ = 223399331 is a prime.

It is a super-2 number, since 2×223400355² = 99815437228252050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7446664 + ... + 7446693.

It is an arithmetic number, because the mean of its divisors is an integer number (44680074).

Almost surely, 2^223400355 is an apocalyptic number.

223400355 is a deficient number, since it is larger than the sum of its proper divisors (134040237).

223400355 is a wasteful number, since it uses less digits than its factorization.

223400355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14893365.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 223400355 is about 14946.5833888551. The cubic root of 223400355 is about 606.7753828768.

Adding to 223400355 its reverse (553004322), we get a palindrome (776404677).

The spelling of 223400355 in words is "two hundred twenty-three million, four hundred thousand, three hundred fifty-five".