42231416 has 8 divisors (see below), whose sum is σ = 79183920.
Its totient is φ = 21115704.
The previous prime is 42231403. The next prime is 42231491. The reversal of 42231416 is 61413224.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 42231391 and 42231400.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639456 + ... + 2639471.
It is an arithmetic number, because the mean of its divisors is an integer number (9897990).
Almost surely, 242231416 is an apocalyptic number.
It is an amenable number.
42231416 is a deficient number, since it is larger than the sum of its proper divisors (36952504).
42231416 is a wasteful number, since it uses less digits than its factorization.
42231416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5278933 (or 5278929 counting only the distinct ones).
The product of its digits is 1152, while the sum is 23.
The square root of 42231416 is about 6498.5703043054.
The cubic root of 42231416 is about 348.2399147139.
The spelling of 42231416 in words is "forty-two million, two hundred thirty-one thousand, four hundred sixteen".