232221130043221 has 8 divisors (see below), whose sum is σ = 253339137140544. Its totient is φ = 211104288825120.

The previous prime is 232221130043209. The next prime is 232221130043237. The reversal of 232221130043221 is 122340031122232.

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 not a de Polignac number, because 232221130043221 - 2⁴⁵ = 197036757954389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232221130043221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221130043291) 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, 291053305 + ... + 291850078.

It is an arithmetic number, because the mean of its divisors is an integer number (31667392142568).

Almost surely, 2^{232221130043221} is an apocalyptic number.

It is an amenable number.

232221130043221 is a deficient number, since it is larger than the sum of its proper divisors (21118007097323).

232221130043221 is a wasteful number, since it uses less digits than its factorization.

232221130043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582939611.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 232221130043221 its reverse (122340031122232), we get a palindrome (354561161165453).

The spelling of 232221130043221 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, one hundred thirty million, forty-three thousand, two hundred twenty-one".