4156231422 has 32 divisors (see below), whose sum is σ = 9913001472. Its totient is φ = 1135864224.

The previous prime is 4156231397. The next prime is 4156231427. The reversal of 4156231422 is 2241326514.

It is a self number, because there is not a number n which added to its sum of digits gives 4156231422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156231427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2150293 + ... + 2152224.

It is an arithmetic number, because the mean of its divisors is an integer number (309781296).

Almost surely, 2^4156231422 is an apocalyptic number.

4156231422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4156231422 is an abundant number, since it is smaller than the sum of its proper divisors (5756770050).

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

4156231422 is a wasteful number, since it uses less digits than its factorization.

4156231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302552.

The product of its digits is 11520, while the sum is 30.

The square root of 4156231422 is about 64468.8407061892. The cubic root of 4156231422 is about 1607.8045022655.

Adding to 4156231422 its reverse (2241326514), we get a palindrome (6397557936).

The spelling of 4156231422 in words is "four billion, one hundred fifty-six million, two hundred thirty-one thousand, four hundred twenty-two".