3222012240 has 60 divisors (see below), whose sum is σ = 10820593524. Its totient is φ = 859203072.

The previous prime is 3222012223. The next prime is 3222012271. The reversal of 3222012240 is 422102223.

It can be written as a sum of positive squares in 2 ways, for example, as 726410304 + 2495601936 = 26952^2 + 49956^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2236789 + ... + 2238228.

Almost surely, 2^3222012240 is an apocalyptic number.

3222012240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3222012240 is an abundant number, since it is smaller than the sum of its proper divisors (7598581284).

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

3222012240 is a wasteful number, since it uses less digits than its factorization.

3222012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475036 (or 4475027 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3222012240 is about 56762.7716025213. The cubic root of 3222012240 is about 1476.9837890207.

Adding to 3222012240 its reverse (422102223), we get a palindrome (3644114463).

The spelling of 3222012240 in words is "three billion, two hundred twenty-two million, twelve thousand, two hundred forty".