1422052321 has 4 divisors (see below), whose sum is σ = 1496897200. Its totient is φ = 1347207444.

The previous prime is 1422052267. The next prime is 1422052327. The reversal of 1422052321 is 1232502241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1232502241 = 19 ⋅64868539.

It is a cyclic number.

It is not a de Polignac number, because 1422052321 - 2²¹ = 1419955169 is a prime.

It is a super-2 number, since 2×1422052321² = 4044465607322974082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422052292 and 1422052301.

It is not an unprimeable number, because it can be changed into a prime (1422052327) 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, 37422411 + ... + 37422448.

It is an arithmetic number, because the mean of its divisors is an integer number (374224300).

Almost surely, 2^1422052321 is an apocalyptic number.

It is an amenable number.

1422052321 is a deficient number, since it is larger than the sum of its proper divisors (74844879).

1422052321 is an equidigital number, since it uses as much as digits as its factorization.

1422052321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74844878.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1422052321 is about 37710.1090027595. The cubic root of 1422052321 is about 1124.5321039604.

Adding to 1422052321 its reverse (1232502241), we get a palindrome (2654554562).

The spelling of 1422052321 in words is "one billion, four hundred twenty-two million, fifty-two thousand, three hundred twenty-one".