2211622 has 16 divisors (see below), whose sum is σ = 3884832. Its totient is φ = 924480.

The previous prime is 2211617. The next prime is 2211623. The reversal of 2211622 is 2261122.

It is a junction number, because it is equal to n+sod(n) for n = 2211596 and 2211605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (242802).

2^2211622 is an apocalyptic number.

2211622 is a deficient number, since it is larger than the sum of its proper divisors (1673210).

2211622 is a wasteful number, since it uses less digits than its factorization.

2211622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903.

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

The square root of 2211622 is about 1487.1523123070. The cubic root of 2211622 is about 130.2877649073.

Adding to 2211622 its reverse (2261122), we get a palindrome (4472744).

The spelling of 2211622 in words is "two million, two hundred eleven thousand, six hundred twenty-two".