2621226 has 8 divisors (see below), whose sum is σ = 5242464. Its totient is φ = 873740.

The previous prime is 2621219. The next prime is 2621239. The reversal of 2621226 is 6221262.

It is a sphenic number, since it is the product of 3 distinct primes.

2621226 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218430 + ... + 218441.

It is an arithmetic number, because the mean of its divisors is an integer number (655308).

2^2621226 is an apocalyptic number.

2621226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2621226 is a wasteful number, since it uses less digits than its factorization.

2621226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436876.

The product of its digits is 576, while the sum is 21.

The square root of 2621226 is about 1619.0200739954. The cubic root of 2621226 is about 137.8800680334.

Adding to 2621226 its reverse (6221262), we get a palindrome (8842488).

The spelling of 2621226 in words is "two million, six hundred twenty-one thousand, two hundred twenty-six".