3440772221 has 16 divisors (see below), whose sum is σ = 3521363328. Its totient is φ = 3361344000.

The previous prime is 3440772211. The next prime is 3440772227. The reversal of 3440772221 is 1222770443.

It is a cyclic number.

It is not a de Polignac number, because 3440772221 - 2¹⁰ = 3440771197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440772227) 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, 3521285 + ... + 3522261.

It is an arithmetic number, because the mean of its divisors is an integer number (220085208).

Almost surely, 2^3440772221 is an apocalyptic number.

It is an amenable number.

3440772221 is a deficient number, since it is larger than the sum of its proper divisors (80591107).

3440772221 is a wasteful number, since it uses less digits than its factorization.

3440772221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 3440772221 is about 58658.0959544375. The cubic root of 3440772221 is about 1509.6814118159.

The spelling of 3440772221 in words is "three billion, four hundred forty million, seven hundred seventy-two thousand, two hundred twenty-one".