42116722 has 8 divisors (see below), whose sum is σ = 63630000. Its totient is φ = 20906724.

The previous prime is 42116687. The next prime is 42116743. The reversal of 42116722 is 22761124.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 75472 + ... + 76027.

It is an arithmetic number, because the mean of its divisors is an integer number (7953750).

Almost surely, 2^42116722 is an apocalyptic number.

42116722 is a deficient number, since it is larger than the sum of its proper divisors (21513278).

42116722 is a wasteful number, since it uses less digits than its factorization.

42116722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151640.

The product of its digits is 1344, while the sum is 25.

The square root of 42116722 is about 6489.7397482488. The cubic root of 42116722 is about 347.9243736222.

Adding to 42116722 its reverse (22761124), we get a palindrome (64877846).

The spelling of 42116722 in words is "forty-two million, one hundred sixteen thousand, seven hundred twenty-two".