2731422 has 8 divisors (see below), whose sum is σ = 5462856. Its totient is φ = 910472.

The previous prime is 2731381. The next prime is 2731427. The reversal of 2731422 is 2241372.

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

2731422 is an admirable number.

It is a super-2 number, since 2×2731422² = 14921332284168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227613 + ... + 227624.

It is an arithmetic number, because the mean of its divisors is an integer number (682857).

2^2731422 is an apocalyptic number.

2731422 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.

2731422 is a wasteful number, since it uses less digits than its factorization.

2731422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455242.

The product of its digits is 672, while the sum is 21.

The square root of 2731422 is about 1652.7014249404. The cubic root of 2731422 is about 139.7857607565.

Adding to 2731422 its reverse (2241372), we get a palindrome (4972794).

The spelling of 2731422 in words is "two million, seven hundred thirty-one thousand, four hundred twenty-two".