3224101221 has 24 divisors (see below), whose sum is σ = 5379251904. Its totient is φ = 1839058560.

The previous prime is 3224101217. The next prime is 3224101261. The reversal of 3224101221 is 1221014223.

It is a happy number.

3224101221 is a `hidden beast` number, since 32 + 2 + 410 + 1 + 221 = 666.

It is not a de Polignac number, because 3224101221 - 2² = 3224101217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3224101194 and 3224101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224101211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 956161 + ... + 959526.

It is an arithmetic number, because the mean of its divisors is an integer number (224135496).

Almost surely, 2^3224101221 is an apocalyptic number.

It is an amenable number.

3224101221 is a deficient number, since it is larger than the sum of its proper divisors (2155150683).

3224101221 is a wasteful number, since it uses less digits than its factorization.

3224101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915721 (or 1915718 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3224101221 is about 56781.1695987323. The cubic root of 3224101221 is about 1477.3029192497.

Adding to 3224101221 its reverse (1221014223), we get a palindrome (4445115444).

The spelling of 3224101221 in words is "three billion, two hundred twenty-four million, one hundred one thousand, two hundred twenty-one".