1422412243 has 4 divisors (see below), whose sum is σ = 1625614000. Its totient is φ = 1219210488.

The previous prime is 1422412237. The next prime is 1422412249. The reversal of 1422412243 is 3422142241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422142241 = 7 ⋅488877463.

It is an interprime number because it is at equal distance from previous prime (1422412237) and next prime (1422412249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422412243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422412249) 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, 101600868 + ... + 101600881.

It is an arithmetic number, because the mean of its divisors is an integer number (406403500).

Almost surely, 2^1422412243 is an apocalyptic number.

1422412243 is a deficient number, since it is larger than the sum of its proper divisors (203201757).

1422412243 is an equidigital number, since it uses as much as digits as its factorization.

1422412243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203201756.

The product of its digits is 3072, while the sum is 25.

The square root of 1422412243 is about 37714.8809225218. The cubic root of 1422412243 is about 1124.6269691296.

Adding to 1422412243 its reverse (3422142241), we get a palindrome (4844554484).

The spelling of 1422412243 in words is "one billion, four hundred twenty-two million, four hundred twelve thousand, two hundred forty-three".