2664022 has 8 divisors (see below), whose sum is σ = 4089096. Its totient is φ = 1300992.

The previous prime is 2664017. The next prime is 2664023. The reversal of 2664022 is 2204662.

It is a happy number.

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 = 2663984 and 2664002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15403 + ... + 15574.

It is an arithmetic number, because the mean of its divisors is an integer number (511137).

2^2664022 is an apocalyptic number.

2664022 is a deficient number, since it is larger than the sum of its proper divisors (1425074).

2664022 is a wasteful number, since it uses less digits than its factorization.

2664022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31022.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2664022 is about 1632.1832005017. The cubic root of 2664022 is about 138.6263969707.

Adding to 2664022 its reverse (2204662), we get a palindrome (4868684).

It can be divided in two parts, 26640 and 22, that added together give a palindrome (26662).

The spelling of 2664022 in words is "two million, six hundred sixty-four thousand, twenty-two".