2861226 has 24 divisors (see below), whose sum is σ = 6352164. Its totient is φ = 930240.

The previous prime is 2861213. The next prime is 2861231. The reversal of 2861226 is 6221682.

2861226 is a `hidden beast` number, since 28 + 612 + 26 = 666.

2861226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2405601 + 455625 = 1551^2 + 675^2 .

It is a super-2 number, since 2×2861226² = 16373228446152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2861226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201 + ... + 2676.

2^2861226 is an apocalyptic number.

2861226 is an abundant number, since it is smaller than the sum of its proper divisors (3490938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2861226 is a wasteful number, since it uses less digits than its factorization.

2861226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926 (or 3923 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2861226 is about 1691.5158881902. The cubic root of 2861226 is about 141.9659046621.

The spelling of 2861226 in words is "two million, eight hundred sixty-one thousand, two hundred twenty-six".