1618453422 has 12 divisors (see below), whose sum is σ = 3506649120. Its totient is φ = 539484468.

The previous prime is 1618453411. The next prime is 1618453423. The reversal of 1618453422 is 2243548161.

It is a happy number.

1618453422 is a `hidden beast` number, since 1 + 6 + 184 + 53 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618453423) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 44957022 + ... + 44957057.

It is an arithmetic number, because the mean of its divisors is an integer number (292220760).

Almost surely, 2^1618453422 is an apocalyptic number.

1618453422 is an abundant number, since it is smaller than the sum of its proper divisors (1888195698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1618453422 is a wasteful number, since it uses less digits than its factorization.

1618453422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89914087 (or 89914084 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 1618453422 is about 40230.0064876952. The cubic root of 1618453422 is about 1174.0864296386.

The spelling of 1618453422 in words is "one billion, six hundred eighteen million, four hundred fifty-three thousand, four hundred twenty-two".