3703307221 has 16 divisors (see below), whose sum is σ = 3907440000. Its totient is φ = 3504630976.

The previous prime is 3703307219. The next prime is 3703307227. The reversal of 3703307221 is 1227033073.

It is not a de Polignac number, because 3703307221 - 2¹ = 3703307219 is a prime.

It is a super-2 number, since 2×3703307221² = 27428968746221485682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3703307221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3703307227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611235 + ... + 617263.

It is an arithmetic number, because the mean of its divisors is an integer number (244215000).

Almost surely, 2^3703307221 is an apocalyptic number.

It is an amenable number.

3703307221 is a deficient number, since it is larger than the sum of its proper divisors (204132779).

3703307221 is a wasteful number, since it uses less digits than its factorization.

3703307221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 3703307221 is about 60854.8044200292. The cubic root of 3703307221 is about 1547.1410666100.

The spelling of 3703307221 in words is "three billion, seven hundred three million, three hundred seven thousand, two hundred twenty-one".