2131422 has 16 divisors (see below), whose sum is σ = 4378512. Its totient is φ = 691200.

The previous prime is 2131417. The next prime is 2131427. The reversal of 2131422 is 2241312.

It is an interprime number because it is at equal distance from previous prime (2131417) and next prime (2131427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4579 + ... + 5022.

It is an arithmetic number, because the mean of its divisors is an integer number (273657).

2^2131422 is an apocalyptic number.

2131422 is an abundant number, since it is smaller than the sum of its proper divisors (2247090).

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

2131422 is a wasteful number, since it uses less digits than its factorization.

2131422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643.

The product of its digits is 96, while the sum is 15.

The square root of 2131422 is about 1459.9390398232. The cubic root of 2131422 is about 128.6934612093.

Adding to 2131422 its reverse (2241312), we get a palindrome (4372734).

The spelling of 2131422 in words is "two million, one hundred thirty-one thousand, four hundred twenty-two".