2421622 has 8 divisors (see below), whose sum is σ = 4151376. Its totient is φ = 1037832.

The previous prime is 2421593. The next prime is 2421641. The reversal of 2421622 is 2261242.

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

It is a super-2 number, since 2×2421622² = 11728506221768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2421622.

It is a congruent number.

It is an unprimeable number.

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, 86473 + ... + 86500.

It is an arithmetic number, because the mean of its divisors is an integer number (518922).

2^2421622 is an apocalyptic number.

2421622 is a deficient number, since it is larger than the sum of its proper divisors (1729754).

2421622 is a wasteful number, since it uses less digits than its factorization.

2421622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172982.

The product of its digits is 384, while the sum is 19.

The square root of 2421622 is about 1556.1561618295. The cubic root of 2421622 is about 134.2874574565.

Adding to 2421622 its reverse (2261242), we get a palindrome (4682864).

The spelling of 2421622 in words is "two million, four hundred twenty-one thousand, six hundred twenty-two".