2422155 has 16 divisors (see below), whose sum is σ = 3912480. Its totient is φ = 1279488.

The previous prime is 2422111. The next prime is 2422169. The reversal of 2422155 is 5512242.

It is a happy number.

It is not a de Polignac number, because 2422155 - 2⁷ = 2422027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (244530).

2^2422155 is an apocalyptic number.

2422155 is a deficient number, since it is larger than the sum of its proper divisors (1490325).

2422155 is a wasteful number, since it uses less digits than its factorization.

2422155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its digits is 800, while the sum is 21.

The square root of 2422155 is about 1556.3274077134. The cubic root of 2422155 is about 134.2973089753.

Adding to 2422155 its reverse (5512242), we get a palindrome (7934397).

The spelling of 2422155 in words is "two million, four hundred twenty-two thousand, one hundred fifty-five".