4223026 has 4 divisors (see below), whose sum is σ = 6334542. Its totient is φ = 2111512.

The previous prime is 4223003. The next prime is 4223027. The reversal of 4223026 is 6203224.

It is a Cunningham number, because it is equal to 2055²+1.

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., 4223025 + 1 = 2055^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4222994 and 4223012.

It is not an unprimeable number, because it can be changed into a prime (4223027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055755 + ... + 1055758.

Almost surely, 2^4223026 is an apocalyptic number.

4223026 is a deficient number, since it is larger than the sum of its proper divisors (2111516).

4223026 is a wasteful number, since it uses less digits than its factorization.

4223026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111515.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4223026 is about 2055.0002433090. Note that the first 3 decimals coincide. The cubic root of 4223026 is about 161.6371750977.

The spelling of 4223026 in words is "four million, two hundred twenty-three thousand, twenty-six".