2611222 has 8 divisors (see below), whose sum is σ = 3983400. Its totient is φ = 1283424.

The previous prime is 2611211. The next prime is 2611229. The reversal of 2611222 is 2221162.

2611222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2611196 and 2611205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10947 + ... + 11182.

It is an arithmetic number, because the mean of its divisors is an integer number (497925).

2^2611222 is an apocalyptic number.

2611222 is a deficient number, since it is larger than the sum of its proper divisors (1372178).

2611222 is a wasteful number, since it uses less digits than its factorization.

2611222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22190.

The product of its digits is 96, while the sum is 16.

The square root of 2611222 is about 1615.9275973880. The cubic root of 2611222 is about 137.7044363871.

Adding to 2611222 its reverse (2221162), we get a palindrome (4832384).

The spelling of 2611222 in words is "two million, six hundred eleven thousand, two hundred twenty-two".