223211129 has 8 divisors (see below), whose sum is σ = 230926080. Its totient is φ = 215528400.

The previous prime is 223211119. The next prime is 223211141. The reversal of 223211129 is 921112322.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223211129 is a prime.

It is a super-3 number, since 3×223211129³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223211119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6482 + ... + 22100.

It is an arithmetic number, because the mean of its divisors is an integer number (28865760).

Almost surely, 2^223211129 is an apocalyptic number.

It is an amenable number.

223211129 is a deficient number, since it is larger than the sum of its proper divisors (7714951).

223211129 is a wasteful number, since it uses less digits than its factorization.

223211129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16111.

The product of its digits is 432, while the sum is 23.

The square root of 223211129 is about 14940.2519724401. The cubic root of 223211129 is about 606.6040162262.

The spelling of 223211129 in words is "two hundred twenty-three million, two hundred eleven thousand, one hundred twenty-nine".