2182155 has 8 divisors (see below), whose sum is σ = 3491472. Its totient is φ = 1163808.

The previous prime is 2182139. The next prime is 2182177. The reversal of 2182155 is 5512812.

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

It is not a de Polignac number, because 2182155 - 2⁴ = 2182139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72724 + ... + 72753.

It is an arithmetic number, because the mean of its divisors is an integer number (436434).

2^2182155 is an apocalyptic number.

2182155 is a deficient number, since it is larger than the sum of its proper divisors (1309317).

2182155 is a wasteful number, since it uses less digits than its factorization.

2182155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145485.

The product of its digits is 800, while the sum is 24.

The square root of 2182155 is about 1477.2119008456. The cubic root of 2182155 is about 129.7065372450.

Adding to 2182155 its reverse (5512812), we get a palindrome (7694967).

The spelling of 2182155 in words is "two million, one hundred eighty-two thousand, one hundred fifty-five".