3225450221 has 8 divisors (see below), whose sum is σ = 3688211904. Its totient is φ = 2763184320.

The previous prime is 3225450199. The next prime is 3225450229. The reversal of 3225450221 is 1220545223.

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 3225450221 - 2¹⁰ = 3225449197 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 (3225450229) 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, 109895 + ... + 136116.

It is an arithmetic number, because the mean of its divisors is an integer number (461026488).

Almost surely, 2^3225450221 is an apocalyptic number.

It is an amenable number.

3225450221 is a deficient number, since it is larger than the sum of its proper divisors (462761683).

3225450221 is a wasteful number, since it uses less digits than its factorization.

3225450221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247891.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3225450221 is about 56793.0472945413. The cubic root of 3225450221 is about 1477.5089305396.

Adding to 3225450221 its reverse (1220545223), we get a palindrome (4445995444).

The spelling of 3225450221 in words is "three billion, two hundred twenty-five million, four hundred fifty thousand, two hundred twenty-one".