223401211 has 12 divisors (see below), whose sum is σ = 251273176. Its totient is φ = 198364320.

The previous prime is 223401173. The next prime is 223401229. The reversal of 223401211 is 112104322.

It is not a de Polignac number, because 223401211 - 2⁷ = 223401083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223401281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16266 + ... + 26671.

Almost surely, 2^223401211 is an apocalyptic number.

223401211 is a deficient number, since it is larger than the sum of its proper divisors (27871965).

223401211 is a wasteful number, since it uses less digits than its factorization.

223401211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43002 (or 42991 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 223401211 is about 14946.6120241344. The cubic root of 223401211 is about 606.7761578667.

Adding to 223401211 its reverse (112104322), we get a palindrome (335505533).

The spelling of 223401211 in words is "two hundred twenty-three million, four hundred one thousand, two hundred eleven".