3221225475 has 96 divisors (see below), whose sum is σ = 5976159168. Its totient is φ = 1520640000.

The previous prime is 3221225473. The next prime is 3221225479. The reversal of 3221225475 is 5745221223.

3221225475 is nontrivially palindromic in base 2, base 4 and base 8.

It is not a de Polignac number, because 3221225475 - 2¹ = 3221225473 is a prime.

It is a zygodrome in base 2.

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 95 ways as a sum of consecutive naturals, for example, 2437815 + ... + 2439135.

It is an arithmetic number, because the mean of its divisors is an integer number (62251658).

Almost surely, 2^3221225475 is an apocalyptic number.

3221225475 is a deficient number, since it is larger than the sum of its proper divisors (2754933693).

3221225475 is a wasteful number, since it uses less digits than its factorization.

3221225475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1444 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 3221225475 is about 56755.8408888460. The cubic root of 3221225475 is about 1476.8635604533.

Adding to 3221225475 its reverse (5745221223), we get a palindrome (8966446698).

The spelling of 3221225475 in words is "three billion, two hundred twenty-one million, two hundred twenty-five thousand, four hundred seventy-five".