1422132421 has 16 divisors (see below), whose sum is σ = 1514620800. Its totient is φ = 1332934848.

The previous prime is 1422132379. The next prime is 1422132443. The reversal of 1422132421 is 1242312241.

It is a cyclic number.

It is not a de Polignac number, because 1422132421 - 2⁷ = 1422132293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422132392 and 1422132401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422132461) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 204835 + ... + 211663.

It is an arithmetic number, because the mean of its divisors is an integer number (94663800).

Almost surely, 2^1422132421 is an apocalyptic number.

It is an amenable number.

1422132421 is a deficient number, since it is larger than the sum of its proper divisors (92488379).

1422132421 is a wasteful number, since it uses less digits than its factorization.

1422132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068.

The product of its digits is 768, while the sum is 22.

The square root of 1422132421 is about 37711.1710372404. The cubic root of 1422132421 is about 1124.5532174195.

Adding to 1422132421 its reverse (1242312241), we get a palindrome (2664444662).

The spelling of 1422132421 in words is "one billion, four hundred twenty-two million, one hundred thirty-two thousand, four hundred twenty-one".