3221225470 has 32 divisors (see below), whose sum is σ = 5865483456. Its totient is φ = 1273574400.

The previous prime is 3221225461. The next prime is 3221225473. The reversal of 3221225470 is 745221223.

3221225470 is nontrivially palindromic in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221225473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998460 + ... + 1001680.

It is an arithmetic number, because the mean of its divisors is an integer number (183296358).

Almost surely, 2^3221225470 is an apocalyptic number.

3221225470 is a deficient number, since it is larger than the sum of its proper divisors (2644257986).

3221225470 is a wasteful number, since it uses less digits than its factorization.

3221225470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 3221225470 is about 56755.8408447976. The cubic root of 3221225470 is about 1476.8635596891.

Adding to 3221225470 its reverse (745221223), we get a palindrome (3966446693).

The spelling of 3221225470 in words is "three billion, two hundred twenty-one million, two hundred twenty-five thousand, four hundred seventy".