2661322 has 8 divisors (see below), whose sum is σ = 3998916. Its totient is φ = 1328352.

The previous prime is 2661317. The next prime is 2661331. The reversal of 2661322 is 2231662.

It is a happy number.

2661322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2253001 + 408321 = 1501^2 + 639^2 .

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 = 2661293 and 2661302.

It is an unprimeable number.

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, 1588 + ... + 2800.

2^2661322 is an apocalyptic number.

2661322 is a deficient number, since it is larger than the sum of its proper divisors (1337594).

2661322 is a wasteful number, since it uses less digits than its factorization.

2661322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its digits is 864, while the sum is 22.

The square root of 2661322 is about 1631.3558777900. The cubic root of 2661322 is about 138.5795482845.

Adding to 2661322 its reverse (2231662), we get a palindrome (4892984).

The spelling of 2661322 in words is "two million, six hundred sixty-one thousand, three hundred twenty-two".