2620226 has 12 divisors (see below), whose sum is σ = 4572198. Its totient is φ = 1122912.

The previous prime is 2620223. The next prime is 2620231. The reversal of 2620226 is 6220262.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 561001 = 1435^2 + 749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2620198 and 2620207.

It is not an unprimeable number, because it can be changed into a prime (2620223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13271 + ... + 13466.

2^2620226 is an apocalyptic number.

2620226 is a deficient number, since it is larger than the sum of its proper divisors (1951972).

2620226 is a wasteful number, since it uses less digits than its factorization.

2620226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26753 (or 26746 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2620226 is about 1618.7112157516. The cubic root of 2620226 is about 137.8625320145.

Adding to 2620226 its reverse (6220262), we get a palindrome (8840488).

The spelling of 2620226 in words is "two million, six hundred twenty thousand, two hundred twenty-six".