2164122 has 24 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 717000.

The previous prime is 2164121. The next prime is 2164171. The reversal of 2164122 is 2214612.

2164122 is a `hidden beast` number, since 2 + 1 + 641 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2³ + 1 + 6⁴ + 4⁸ + 1 + 2⁷ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2164095 and 2164104.

It is not an unprimeable number, because it can be changed into a prime (2164121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4279 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2164122 is an apocalyptic number.

2164122 is an abundant number, since it is smaller than the sum of its proper divisors (2553318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2164122 is a wasteful number, since it uses less digits than its factorization.

2164122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 735 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2164122 is about 1471.0955101556. The cubic root of 2164122 is about 129.3482567421.

Adding to 2164122 its reverse (2214612), we get a palindrome (4378734).

The spelling of 2164122 in words is "two million, one hundred sixty-four thousand, one hundred twenty-two".