1422044221 has 4 divisors (see below), whose sum is σ = 1531432252. Its totient is φ = 1312656192.

The previous prime is 1422044213. The next prime is 1422044233. The reversal of 1422044221 is 1224402241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1224402241 = 1049 ⋅1167209.

It can be written as a sum of positive squares in 2 ways, for example, as 210656196 + 1211388025 = 14514^2 + 34805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422044221 - 2³ = 1422044213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422044192 and 1422044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422044291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54693996 + ... + 54694021.

It is an arithmetic number, because the mean of its divisors is an integer number (382858063).

Almost surely, 2^1422044221 is an apocalyptic number.

It is an amenable number.

1422044221 is a deficient number, since it is larger than the sum of its proper divisors (109388031).

1422044221 is a wasteful number, since it uses less digits than its factorization.

1422044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109388030.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1422044221 is about 37710.0016043489. The cubic root of 1422044221 is about 1124.5299688474.

Adding to 1422044221 its reverse (1224402241), we get a palindrome (2646446462).

The spelling of 1422044221 in words is "one billion, four hundred twenty-two million, forty-four thousand, two hundred twenty-one".