42497822 has 8 divisors (see below), whose sum is σ = 64103400. Its totient is φ = 21130024.

The previous prime is 42497821. The next prime is 42497837. The reversal of 42497822 is 22879424.

42497822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42497821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58997 + ... + 59712.

It is an arithmetic number, because the mean of its divisors is an integer number (8012925).

Almost surely, 2^42497822 is an apocalyptic number.

42497822 is a deficient number, since it is larger than the sum of its proper divisors (21605578).

42497822 is a wasteful number, since it uses less digits than its factorization.

42497822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118890.

The product of its digits is 64512, while the sum is 38.

The square root of 42497822 is about 6519.0353580879. The cubic root of 42497822 is about 348.9706409021.

The spelling of 42497822 in words is "forty-two million, four hundred ninety-seven thousand, eight hundred twenty-two".