1422135289 has 4 divisors (see below), whose sum is σ = 1505790324. Its totient is φ = 1338480256.

The previous prime is 1422135277. The next prime is 1422135331. The reversal of 1422135289 is 9825312241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9825312241 = 16487 ⋅595943.

It can be written as a sum of positive squares in 2 ways, for example, as 832034025 + 590101264 = 28845^2 + 24292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422135289 - 2¹¹ = 1422133241 is a prime.

It is a super-2 number, since 2×1422135289² = 4044937560438227042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422135269) 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, 41827492 + ... + 41827525.

It is an arithmetic number, because the mean of its divisors is an integer number (376447581).

Almost surely, 2^1422135289 is an apocalyptic number.

It is an amenable number.

1422135289 is a deficient number, since it is larger than the sum of its proper divisors (83655035).

1422135289 is an equidigital number, since it uses as much as digits as its factorization.

1422135289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83655034.

The product of its digits is 34560, while the sum is 37.

The square root of 1422135289 is about 37711.2090630889. The cubic root of 1422135289 is about 1124.5539733773.

The spelling of 1422135289 in words is "one billion, four hundred twenty-two million, one hundred thirty-five thousand, two hundred eighty-nine".