32213401221 has 8 divisors (see below), whose sum is σ = 42952740064. Its totient is φ = 21474831600.

The previous prime is 32213401183. The next prime is 32213401229. The reversal of 32213401221 is 12210431223.

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

It is not a de Polignac number, because 32213401221 - 2²³ = 32205012613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32213401229) 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, 86230 + ... + 268071.

It is an arithmetic number, because the mean of its divisors is an integer number (5369092508).

Almost surely, 2^32213401221 is an apocalyptic number.

It is an amenable number.

32213401221 is a deficient number, since it is larger than the sum of its proper divisors (10739338843).

32213401221 is a wasteful number, since it uses less digits than its factorization.

32213401221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384611.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 32213401221 its reverse (12210431223), we get a palindrome (44423832444).

The spelling of 32213401221 in words is "thirty-two billion, two hundred thirteen million, four hundred one thousand, two hundred twenty-one".