1422002243 has 4 divisors (see below), whose sum is σ = 1448832528. Its totient is φ = 1395171960.

The previous prime is 1422002227. The next prime is 1422002251. The reversal of 1422002243 is 3422002241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1422002243 - 2⁴ = 1422002227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422002273) 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, 13415063 + ... + 13415168.

It is an arithmetic number, because the mean of its divisors is an integer number (362208132).

Almost surely, 2^1422002243 is an apocalyptic number.

1422002243 is a deficient number, since it is larger than the sum of its proper divisors (26830285).

1422002243 is an equidigital number, since it uses as much as digits as its factorization.

1422002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830284.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1422002243 is about 37709.4450105010. The cubic root of 1422002243 is about 1124.5189035601.

Adding to 1422002243 its reverse (3422002241), we get a palindrome (4844004484).

The spelling of 1422002243 in words is "one billion, four hundred twenty-two million, two thousand, two hundred forty-three".