2859221449 has 16 divisors (see below), whose sum is σ = 3511548288. Its totient is φ = 2272165632.

The previous prime is 2859221411. The next prime is 2859221461. The reversal of 2859221449 is 9441229582.

It is a cyclic number.

It is not a de Polignac number, because 2859221449 - 2¹⁵ = 2859188681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2859221399 and 2859221408.

It is not an unprimeable number, because it can be changed into a prime (2859221749) 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, 171334 + ... + 187279.

It is an arithmetic number, because the mean of its divisors is an integer number (219471768).

Almost surely, 2^2859221449 is an apocalyptic number.

It is an amenable number.

2859221449 is a deficient number, since it is larger than the sum of its proper divisors (652326839).

2859221449 is a wasteful number, since it uses less digits than its factorization.

2859221449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358704.

The product of its digits is 414720, while the sum is 46.

The square root of 2859221449 is about 53471.6882939000. The cubic root of 2859221449 is about 1419.3274354167.

The spelling of 2859221449 in words is "two billion, eight hundred fifty-nine million, two hundred twenty-one thousand, four hundred forty-nine".