3331221005 has 16 divisors (see below), whose sum is σ = 4570654080. Its totient is φ = 2283204672.

The previous prime is 3331221001. The next prime is 3331221029. The reversal of 3331221005 is 5001221333.

It is not a de Polignac number, because 3331221005 - 2² = 3331221001 is a prime.

It is a super-2 number, since 2×3331221005² = 22194066768306420050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331221001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58442 + ... + 100388.

It is an arithmetic number, because the mean of its divisors is an integer number (285665880).

Almost surely, 2^3331221005 is an apocalyptic number.

3331221005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3331221005 is a deficient number, since it is larger than the sum of its proper divisors (1239433075).

3331221005 is a wasteful number, since it uses less digits than its factorization.

3331221005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44228.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3331221005 is about 57716.7307199568. The cubic root of 3331221005 is about 1493.4859755692.

Adding to 3331221005 its reverse (5001221333), we get a palindrome (8332442338).

The spelling of 3331221005 in words is "three billion, three hundred thirty-one million, two hundred twenty-one thousand, five".