1422407393 has 12 divisors (see below), whose sum is σ = 1645763280. Its totient is φ = 1225037880.

The previous prime is 1422407353. The next prime is 1422407407. The reversal of 1422407393 is 3937042241.

It is not a de Polignac number, because 1422407393 - 2¹⁰ = 1422406369 is a prime.

It is a super-2 number, since 2×1422407393² = 4046485583322112898, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1422407353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307055 + ... + 311652.

It is an arithmetic number, because the mean of its divisors is an integer number (137146940).

Almost surely, 2^1422407393 is an apocalyptic number.

It is an amenable number.

1422407393 is a deficient number, since it is larger than the sum of its proper divisors (223355887).

1422407393 is a wasteful number, since it uses less digits than its factorization.

1422407393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618748 (or 618737 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1422407393 is about 37714.8166242393. The cubic root of 1422407393 is about 1124.6256909143.

The spelling of 1422407393 in words is "one billion, four hundred twenty-two million, four hundred seven thousand, three hundred ninety-three".