3157422 has 16 divisors (see below), whose sum is σ = 6434640. Its totient is φ = 1032512.

The previous prime is 3157411. The next prime is 3157471. The reversal of 3157422 is 2247513.

3157422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3157392 and 3157401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (402165).

Almost surely, 2^3157422 is an apocalyptic number.

3157422 is an abundant number, since it is smaller than the sum of its proper divisors (3277218).

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

3157422 is a wasteful number, since it uses less digits than its factorization.

3157422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9987.

The product of its digits is 1680, while the sum is 24.

The square root of 3157422 is about 1776.9136163584. The cubic root of 3157422 is about 146.7047616838.

Subtracting from 3157422 its reverse (2247513), we obtain a palindrome (909909).

The spelling of 3157422 in words is "three million, one hundred fifty-seven thousand, four hundred twenty-two".