2206426 has 4 divisors (see below), whose sum is σ = 3309642. Its totient is φ = 1103212.

The previous prime is 2206417. The next prime is 2206429. The reversal of 2206426 is 6246022.

It is a happy number.

2206426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 89401 = 1455^2 + 299^2 .

It is a d-powerful number, because it can be written as 2 + 2¹¹ + 0 + 6³ + 4⁴ + 2¹⁹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2206397 and 2206406.

It is not an unprimeable number, because it can be changed into a prime (2206429) by changing a digit.

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 as a sum of consecutive naturals, namely, 551605 + ... + 551608.

2^2206426 is an apocalyptic number.

2206426 is a deficient number, since it is larger than the sum of its proper divisors (1103216).

2206426 is a wasteful number, since it uses less digits than its factorization.

2206426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103215.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2206426 is about 1485.4043220618. The cubic root of 2206426 is about 130.1856519056.

The spelling of 2206426 in words is "two million, two hundred six thousand, four hundred twenty-six".