2105226272 has 18 divisors (see below), whose sum is σ = 4145175279. Its totient is φ = 1052483360.

The previous prime is 2105226251. The next prime is 2105226329. The reversal of 2105226272 is 2726225012.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1052613136 + 1052613136 = 32444^2 + 32444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32444.

It is a super-4 number, since 4×2105226272⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 255497 + ... + 263607.

Almost surely, 2^2105226272 is an apocalyptic number.

It is an amenable number.

2105226272 is a deficient number, since it is larger than the sum of its proper divisors (2039949007).

2105226272 is an frugal number, since it uses more digits than its factorization.

2105226272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16232 (or 8113 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2105226272 is about 45882.7448176327. The cubic root of 2105226272 is about 1281.6406111290.

The spelling of 2105226272 in words is "two billion, one hundred five million, two hundred twenty-six thousand, two hundred seventy-two".