3155422405 has 4 divisors (see below), whose sum is σ = 3786506892. Its totient is φ = 2524337920.

The previous prime is 3155422357. The next prime is 3155422423. The reversal of 3155422405 is 5042245513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5042245513 = 2347 ⋅2148379.

It can be written as a sum of positive squares in 2 ways, for example, as 1075971204 + 2079451201 = 32802^2 + 45601^2 .

It is not a de Polignac number, because 3155422405 - 2¹¹ = 3155420357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315542236 + ... + 315542245.

It is an arithmetic number, because the mean of its divisors is an integer number (946626723).

Almost surely, 2^3155422405 is an apocalyptic number.

It is an amenable number.

3155422405 is a deficient number, since it is larger than the sum of its proper divisors (631084487).

3155422405 is an equidigital number, since it uses as much as digits as its factorization.

3155422405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631084486.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3155422405 is about 56173.1466538950. The cubic root of 3155422405 is about 1466.7378577416.

Adding to 3155422405 its reverse (5042245513), we get a palindrome (8197667918).

The spelling of 3155422405 in words is "three billion, one hundred fifty-five million, four hundred twenty-two thousand, four hundred five".