2101422 has 8 divisors (see below), whose sum is σ = 4202856. Its totient is φ = 700472.

The previous prime is 2101391. The next prime is 2101423. The reversal of 2101422 is 2241012.

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

2101422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2101398 and 2101407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175113 + ... + 175124.

It is an arithmetic number, because the mean of its divisors is an integer number (525357).

2^2101422 is an apocalyptic number.

2101422 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.

2101422 is a wasteful number, since it uses less digits than its factorization.

2101422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350242.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2101422 is about 1449.6282282020. The cubic root of 2101422 is about 128.0868144782.

Adding to 2101422 its reverse (2241012), we get a palindrome (4342434).

The spelling of 2101422 in words is "two million, one hundred one thousand, four hundred twenty-two".