1422420442402 has 8 divisors (see below), whose sum is σ = 2185670436012. Its totient is φ = 693863630400.

The previous prime is 1422420442397. The next prime is 1422420442433. The reversal of 1422420442402 is 2042440242241.

It can be written as a sum of positive squares in 2 ways, for example, as 1383284129161 + 39136313241 = 1176131^2 + 197829^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8673295299 + ... + 8673295462.

Almost surely, 2^{1422420442402} is an apocalyptic number.

1422420442402 is a deficient number, since it is larger than the sum of its proper divisors (763249993610).

1422420442402 is a wasteful number, since it uses less digits than its factorization.

1422420442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346590804.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 1422420442402 its reverse (2042440242241), we get a palindrome (3464860684643).

The spelling of 1422420442402 in words is "one trillion, four hundred twenty-two billion, four hundred twenty million, four hundred forty-two thousand, four hundred two".