2643422 has 4 divisors (see below), whose sum is σ = 3965136. Its totient is φ = 1321710.

The previous prime is 2643397. The next prime is 2643427. The reversal of 2643422 is 2243462.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660854 + ... + 660857.

It is an arithmetic number, because the mean of its divisors is an integer number (991284).

2^2643422 is an apocalyptic number.

2643422 is a deficient number, since it is larger than the sum of its proper divisors (1321714).

2643422 is a wasteful number, since it uses less digits than its factorization.

2643422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321713.

The product of its digits is 2304, while the sum is 23.

The square root of 2643422 is about 1625.8603876102. The cubic root of 2643422 is about 138.2681546464.

Adding to 2643422 its reverse (2243462), we get a palindrome (4886884).

The spelling of 2643422 in words is "two million, six hundred forty-three thousand, four hundred twenty-two".