422153983 has 4 divisors (see below), whose sum is σ = 440508528. Its totient is φ = 403799440.

The previous prime is 422153947. The next prime is 422154011. The reversal of 422153983 is 389351224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422153983 - 2⁹ = 422153471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422153903) 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, 9177238 + ... + 9177283.

It is an arithmetic number, because the mean of its divisors is an integer number (110127132).

Almost surely, 2^422153983 is an apocalyptic number.

422153983 is a deficient number, since it is larger than the sum of its proper divisors (18354545).

422153983 is a wasteful number, since it uses less digits than its factorization.

422153983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354544.

The product of its digits is 51840, while the sum is 37.

The square root of 422153983 is about 20546.3861299256. The cubic root of 422153983 is about 750.1652868303.

The spelling of 422153983 in words is "four hundred twenty-two million, one hundred fifty-three thousand, nine hundred eighty-three".