2422642 has 8 divisors (see below), whose sum is σ = 3647916. Its totient is φ = 1206672.

The previous prime is 2422627. The next prime is 2422643. The reversal of 2422642 is 2462242.

It can be written as a sum of positive squares in 2 ways, for example, as 2374681 + 47961 = 1541^2 + 219^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2422643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633 + ... + 2740.

2^2422642 is an apocalyptic number.

2422642 is a deficient number, since it is larger than the sum of its proper divisors (1225274).

2422642 is a wasteful number, since it uses less digits than its factorization.

2422642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652.

The product of its digits is 1536, while the sum is 22.

The square root of 2422642 is about 1556.4838579311. The cubic root of 2422642 is about 134.3063090059.

Adding to 2422642 its reverse (2462242), we get a palindrome (4884884).

The spelling of 2422642 in words is "two million, four hundred twenty-two thousand, six hundred forty-two".