233225021 has 8 divisors (see below), whose sum is σ = 238106784. Its totient is φ = 228377520.

The previous prime is 233225017. The next prime is 233225029. The reversal of 233225021 is 120522332.

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

It is a cyclic number.

It is not a de Polignac number, because 233225021 - 2² = 233225017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233224984 and 233225002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233225029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (29763348).

Almost surely, 2^233225021 is an apocalyptic number.

It is an amenable number.

233225021 is a deficient number, since it is larger than the sum of its proper divisors (4881763).

233225021 is a wasteful number, since it uses less digits than its factorization.

233225021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 233225021 is about 15271.7065516595. The cubic root of 233225021 is about 615.5429765268.

Adding to 233225021 its reverse (120522332), we get a palindrome (353747353).

The spelling of 233225021 in words is "two hundred thirty-three million, two hundred twenty-five thousand, twenty-one".