1422544243 has 8 divisors (see below), whose sum is σ = 1432539360. Its totient is φ = 1412567040.

The previous prime is 1422544223. The next prime is 1422544247. The reversal of 1422544243 is 3424452241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1422544243 - 2¹³ = 1422536051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422544247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181363 + ... + 189043.

It is an arithmetic number, because the mean of its divisors is an integer number (179067420).

Almost surely, 2^1422544243 is an apocalyptic number.

1422544243 is a deficient number, since it is larger than the sum of its proper divisors (9995117).

1422544243 is a wasteful number, since it uses less digits than its factorization.

1422544243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8957.

The product of its digits is 30720, while the sum is 31.

The square root of 1422544243 is about 37716.6308543062. The cubic root of 1422544243 is about 1124.6617565523.

Adding to 1422544243 its reverse (3424452241), we get a palindrome (4846996484).

The spelling of 1422544243 in words is "one billion, four hundred twenty-two million, five hundred forty-four thousand, two hundred forty-three".