2590226 has 4 divisors (see below), whose sum is σ = 3885342. Its totient is φ = 1295112.

The previous prime is 2590223. The next prime is 2590249. The reversal of 2590226 is 6220952.

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., 1560001 + 1030225 = 1249^2 + 1015^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2590195 and 2590204.

It is not an unprimeable number, because it can be changed into a prime (2590223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647555 + ... + 647558.

2^2590226 is an apocalyptic number.

2590226 is a deficient number, since it is larger than the sum of its proper divisors (1295116).

2590226 is a wasteful number, since it uses less digits than its factorization.

2590226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295115.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2590226 is about 1609.4179071950. The cubic root of 2590226 is about 137.3343636353.

The spelling of 2590226 in words is "two million, five hundred ninety thousand, two hundred twenty-six".