42322549 has 4 divisors (see below), whose sum is σ = 42444864. Its totient is φ = 42200236.

The previous prime is 42322477. The next prime is 42322559. The reversal of 42322549 is 94522324.

42322549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42322549 - 2¹¹ = 42320501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42322549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322559) 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, 60637 + ... + 61330.

It is an arithmetic number, because the mean of its divisors is an integer number (10611216).

Almost surely, 2^42322549 is an apocalyptic number.

It is an amenable number.

42322549 is a deficient number, since it is larger than the sum of its proper divisors (122315).

42322549 is a wasteful number, since it uses less digits than its factorization.

42322549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122314.

The product of its digits is 17280, while the sum is 31.

The square root of 42322549 is about 6505.5782986603. The cubic root of 42322549 is about 348.4902287392.

The spelling of 42322549 in words is "forty-two million, three hundred twenty-two thousand, five hundred forty-nine".