3222421312 has 56 divisors (see below), whose sum is σ = 7017837120. Its totient is φ = 1455912960.

The previous prime is 3222421303. The next prime is 3222421343. The reversal of 3222421312 is 2131242223.

It is a super-2 number, since 2×3222421312² = 20767998224063602688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103864 + ... + 131272.

It is an arithmetic number, because the mean of its divisors is an integer number (125318520).

Almost surely, 2^3222421312 is an apocalyptic number.

3222421312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3222421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508918560).

3222421312 is an abundant number, since it is smaller than the sum of its proper divisors (3795415808).

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

3222421312 is a wasteful number, since it uses less digits than its factorization.

3222421312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27599 (or 27589 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 3222421312 is about 56766.3748358128. The cubic root of 3222421312 is about 1477.0462931433.

Adding to 3222421312 its reverse (2131242223), we get a palindrome (5353663535).

Subtracting from 3222421312 its reverse (2131242223), we obtain a square (1091179089 = 33033²).

The spelling of 3222421312 in words is "three billion, two hundred twenty-two million, four hundred twenty-one thousand, three hundred twelve".