234611221 has 16 divisors (see below), whose sum is σ = 267402240. Its totient is φ = 204050880.

The previous prime is 234611197. The next prime is 234611227. The reversal of 234611221 is 122116432.

It is not a de Polignac number, because 234611221 - 2¹⁵ = 234578453 is a prime.

It is a super-2 number, since 2×234611221² = 110084850038221682, 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 = 234611192 and 234611201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234611227) 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 15 ways as a sum of consecutive naturals, for example, 44691 + ... + 49663.

It is an arithmetic number, because the mean of its divisors is an integer number (16712640).

Almost surely, 2^234611221 is an apocalyptic number.

It is an amenable number.

234611221 is a deficient number, since it is larger than the sum of its proper divisors (32791019).

234611221 is a wasteful number, since it uses less digits than its factorization.

234611221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196.

The product of its digits is 576, while the sum is 22.

The square root of 234611221 is about 15317.0238950000. The cubic root of 234611221 is about 616.7600854171.

Adding to 234611221 its reverse (122116432), we get a palindrome (356727653).

The spelling of 234611221 in words is "two hundred thirty-four million, six hundred eleven thousand, two hundred twenty-one".