2170122 has 8 divisors (see below), whose sum is σ = 4340256. Its totient is φ = 723372.

The previous prime is 2170121. The next prime is 2170127. The reversal of 2170122 is 2210712.

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

2170122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2170121) 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, 180838 + ... + 180849.

It is an arithmetic number, because the mean of its divisors is an integer number (542532).

2^2170122 is an apocalyptic number.

2170122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2170122 is a wasteful number, since it uses less digits than its factorization.

2170122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361692.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2170122 is about 1473.1333951818. The cubic root of 2170122 is about 129.4676852232.

Adding to 2170122 its reverse (2210712), we get a palindrome (4380834).

The spelling of 2170122 in words is "two million, one hundred seventy thousand, one hundred twenty-two".