431401422 has 16 divisors (see below), whose sum is σ = 908213760. Its totient is φ = 136231992.

The previous prime is 431401417. The next prime is 431401427. The reversal of 431401422 is 224104134.

It is an interprime number because it is at equal distance from previous prime (431401417) and next prime (431401427).

It is a super-2 number, since 2×431401422² = 372214373807244168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891998 + ... + 1892225.

It is an arithmetic number, because the mean of its divisors is an integer number (56763360).

Almost surely, 2^431401422 is an apocalyptic number.

431401422 is an abundant number, since it is smaller than the sum of its proper divisors (476812338).

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

431401422 is a wasteful number, since it uses less digits than its factorization.

431401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784247.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 431401422 is about 20770.2051506479. The cubic root of 431401422 is about 755.6033199315.

Adding to 431401422 its reverse (224104134), we get a palindrome (655505556).

The spelling of 431401422 in words is "four hundred thirty-one million, four hundred one thousand, four hundred twenty-two".