1404431213422 has 4 divisors (see below), whose sum is σ = 2106646820136. Its totient is φ = 702215606710.

The previous prime is 1404431213411. The next prime is 1404431213429. The reversal of 1404431213422 is 2243121344041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404431213429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351107803354 + ... + 351107803357.

It is an arithmetic number, because the mean of its divisors is an integer number (526661705034).

Almost surely, 2^{1404431213422} is an apocalyptic number.

1404431213422 is a deficient number, since it is larger than the sum of its proper divisors (702215606714).

1404431213422 is an equidigital number, since it uses as much as digits as its factorization.

1404431213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702215606713.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1404431213422 its reverse (2243121344041), we get a palindrome (3647552557463).

The spelling of 1404431213422 in words is "one trillion, four hundred four billion, four hundred thirty-one million, two hundred thirteen thousand, four hundred twenty-two".