2140422 has 8 divisors (see below), whose sum is σ = 4280856. Its totient is φ = 713472.

The previous prime is 2140421. The next prime is 2140441. The reversal of 2140422 is 2240412.

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

2140422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140421) 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, 178363 + ... + 178374.

It is an arithmetic number, because the mean of its divisors is an integer number (535107).

2^2140422 is an apocalyptic number.

2140422 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.

2140422 is a wasteful number, since it uses less digits than its factorization.

2140422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356742.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2140422 is about 1463.0181133534. The cubic root of 2140422 is about 128.8743443204.

Adding to 2140422 its reverse (2240412), we get a palindrome (4380834).

The spelling of 2140422 in words is "two million, one hundred forty thousand, four hundred twenty-two".