1422004231 has 4 divisors (see below), whose sum is σ = 1423898464. Its totient is φ = 1420110000.

The previous prime is 1422004229. The next prime is 1422004261. The reversal of 1422004231 is 1324002241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324002241 = 73 ⋅18137017.

It is a cyclic number.

It is not a de Polignac number, because 1422004231 - 2¹ = 1422004229 is a prime.

It is a super-2 number, since 2×1422004231² = 4044192065963802722, 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 = 1422004199 and 1422004208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422004201) 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, 945990 + ... + 947491.

It is an arithmetic number, because the mean of its divisors is an integer number (355974616).

Almost surely, 2^1422004231 is an apocalyptic number.

1422004231 is a deficient number, since it is larger than the sum of its proper divisors (1894233).

1422004231 is an equidigital number, since it uses as much as digits as its factorization.

1422004231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894232.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1422004231 is about 37709.4713699357. The cubic root of 1422004231 is about 1124.5194275965.

Adding to 1422004231 its reverse (1324002241), we get a palindrome (2746006472).

The spelling of 1422004231 in words is "one billion, four hundred twenty-two million, four thousand, two hundred thirty-one".