2122555 has 8 divisors (see below), whose sum is σ = 2657952. Its totient is φ = 1624128.

The previous prime is 2122553. The next prime is 2122573. The reversal of 2122555 is 5552212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122555 - 2¹ = 2122553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9114 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (332244).

2^2122555 is an apocalyptic number.

2122555 is a deficient number, since it is larger than the sum of its proper divisors (535397).

2122555 is a wasteful number, since it uses less digits than its factorization.

2122555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485.

The product of its digits is 1000, while the sum is 22.

The square root of 2122555 is about 1456.8991042622. The cubic root of 2122555 is about 128.5147525039.

Adding to 2122555 its reverse (5552212), we get a palindrome (7674767).

The spelling of 2122555 in words is "two million, one hundred twenty-two thousand, five hundred fifty-five".