1422004221 has 24 divisors (see below), whose sum is σ = 2315604480. Its totient is φ = 861818760.

The previous prime is 1422004217. The next prime is 1422004229. The reversal of 1422004221 is 1224002241.

1422004221 is a `hidden beast` number, since 1 + 42 + 200 + 422 + 1 = 666.

It is not a de Polignac number, because 1422004221 - 2² = 1422004217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422004194 and 1422004203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422004229) 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 23 ways as a sum of consecutive naturals, for example, 214365 + ... + 220898.

It is an arithmetic number, because the mean of its divisors is an integer number (96483520).

Almost surely, 2^1422004221 is an apocalyptic number.

1422004221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1422004221 is a deficient number, since it is larger than the sum of its proper divisors (893600259).

1422004221 is a wasteful number, since it uses less digits than its factorization.

1422004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435294 (or 435277 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1422004221 is about 37709.4712373430. The cubic root of 1422004221 is about 1124.5194249605.

Adding to 1422004221 its reverse (1224002241), we get a palindrome (2646006462).

The spelling of 1422004221 in words is "one billion, four hundred twenty-two million, four thousand, two hundred twenty-one".