3222120040 has 32 divisors (see below), whose sum is σ = 7368624360. Its totient is φ = 1267718400.

The previous prime is 3222120037. The next prime is 3222120047. The reversal of 3222120040 is 400212223.

It can be written as a sum of positive squares in 4 ways, for example, as 2620006596 + 602113444 = 51186^2 + 24538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3222119996 and 3222120023.

It is not an unprimeable number, because it can be changed into a prime (3222120047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657831 + ... + 662710.

Almost surely, 2^3222120040 is an apocalyptic number.

It is an amenable number.

3222120040 is an abundant number, since it is smaller than the sum of its proper divisors (4146504320).

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

3222120040 is a wasteful number, since it uses less digits than its factorization.

3222120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320613 (or 1320609 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3222120040 is about 56763.7211606145. The cubic root of 3222120040 is about 1477.0002608262. Note that the first 3 decimals are identical.

Adding to 3222120040 its reverse (400212223), we get a palindrome (3622332263).

The spelling of 3222120040 in words is "three billion, two hundred twenty-two million, one hundred twenty thousand, forty".