3225402121 has 4 divisors (see below), whose sum is σ = 3230070544. Its totient is φ = 3220733700.

The previous prime is 3225402107. The next prime is 3225402137. The reversal of 3225402121 is 1212045223.

It is a happy number.

3225402121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3225402121 - 2¹⁹ = 3224877833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3225402092 and 3225402101.

It is not an unprimeable number, because it can be changed into a prime (3225402181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333175 + ... + 2334556.

It is an arithmetic number, because the mean of its divisors is an integer number (807517636).

Almost surely, 2^3225402121 is an apocalyptic number.

It is an amenable number.

3225402121 is a deficient number, since it is larger than the sum of its proper divisors (4668423).

3225402121 is an equidigital number, since it uses as much as digits as its factorization.

3225402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668422.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3225402121 is about 56792.6238256343. The cubic root of 3225402121 is about 1477.5015859802.

Adding to 3225402121 its reverse (1212045223), we get a palindrome (4437447344).

The spelling of 3225402121 in words is "three billion, two hundred twenty-five million, four hundred two thousand, one hundred twenty-one".