2587226 has 4 divisors (see below), whose sum is σ = 3880842. Its totient is φ = 1293612.

The previous prime is 2587217. The next prime is 2587253. The reversal of 2587226 is 6227852.

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., 2563201 + 24025 = 1601^2 + 155^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2587192 and 2587201.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 646805 + ... + 646808.

2^2587226 is an apocalyptic number.

2587226 is a deficient number, since it is larger than the sum of its proper divisors (1293616).

2587226 is a wasteful number, since it uses less digits than its factorization.

2587226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293615.

The product of its digits is 13440, while the sum is 32.

The square root of 2587226 is about 1608.4856231872. The cubic root of 2587226 is about 137.2813229284.

The spelling of 2587226 in words is "two million, five hundred eighty-seven thousand, two hundred twenty-six".