3222243520 has 56 divisors (see below), whose sum is σ = 7692408288. Its totient is φ = 1285632000.

The previous prime is 3222243517. The next prime is 3222243539. The reversal of 3222243520 is 253422223.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115765 + ... + 140875.

Almost surely, 2^3222243520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3222243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3846204144).

3222243520 is an abundant number, since it is smaller than the sum of its proper divisors (4470164768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3222243520 is a wasteful number, since it uses less digits than its factorization.

3222243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25529 (or 25519 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3222243520 is about 56764.8088167308. The cubic root of 3222243520 is about 1477.0191280792.

Adding to 3222243520 its reverse (253422223), we get a palindrome (3475665743).

The spelling of 3222243520 in words is "three billion, two hundred twenty-two million, two hundred forty-three thousand, five hundred twenty".