3221111040 has 864 divisors, whose sum is σ = 13589493120. Its totient is φ = 644087808.

The previous prime is 3221111027. The next prime is 3221111071. The reversal of 3221111040 is 401111223.

3221111040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60775654 + ... + 60775706.

It is an arithmetic number, because the mean of its divisors is an integer number (15728580).

Almost surely, 2^3221111040 is an apocalyptic number.

3221111040 is a gapful number since it is divisible by the number (30) 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 3221111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6794746560).

3221111040 is an abundant number, since it is smaller than the sum of its proper divisors (10368382080).

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

3221111040 is a wasteful number, since it uses less digits than its factorization.

3221111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3221111040 is about 56754.8327457671. The cubic root of 3221111040 is about 1476.8460715727.

Adding to 3221111040 its reverse (401111223), we get a palindrome (3622222263).

The spelling of 3221111040 in words is "three billion, two hundred twenty-one million, one hundred eleven thousand, forty".