3221451025 has 24 divisors (see below), whose sum is σ = 4440660224. Its totient is φ = 2302171200.

The previous prime is 3221451011. The next prime is 3221451041. The reversal of 3221451025 is 5201541223.

It is not a de Polignac number, because 3221451025 - 2²⁹ = 2684580113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149799 + ... + 169948.

Almost surely, 2^3221451025 is an apocalyptic number.

It is an amenable number.

3221451025 is a deficient number, since it is larger than the sum of its proper divisors (1219209199).

3221451025 is a wasteful number, since it uses less digits than its factorization.

3221451025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319801 (or 319796 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3221451025 is about 56757.8278742237. The cubic root of 3221451025 is about 1476.8980296125.

Adding to 3221451025 its reverse (5201541223), we get a palindrome (8422992248).

The spelling of 3221451025 in words is "three billion, two hundred twenty-one million, four hundred fifty-one thousand, twenty-five".