2422655 has 4 divisors (see below), whose sum is σ = 2907192. Its totient is φ = 1938120.

The previous prime is 2422643. The next prime is 2422657. The reversal of 2422655 is 5562242.

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

It is not a de Polignac number, because 2422655 - 2¹⁶ = 2357119 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422657) 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, 242261 + ... + 242270.

It is an arithmetic number, because the mean of its divisors is an integer number (726798).

2^2422655 is an apocalyptic number.

2422655 is a deficient number, since it is larger than the sum of its proper divisors (484537).

2422655 is an equidigital number, since it uses as much as digits as its factorization.

2422655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484536.

The product of its digits is 4800, while the sum is 26.

The square root of 2422655 is about 1556.4880340048. The cubic root of 2422655 is about 134.3065492365.

Adding to 2422655 its reverse (5562242), we get a palindrome (7984897).

The spelling of 2422655 in words is "two million, four hundred twenty-two thousand, six hundred fifty-five".