42422553 has 12 divisors (see below), whose sum is σ = 62702640. Its totient is φ = 27623736.

The previous prime is 42422533. The next prime is 42422581. The reversal of 42422553 is 35522424.

It is a happy number.

It is not a de Polignac number, because 42422553 - 2⁵ = 42422521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42422503) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 54423 + ... + 55196.

It is an arithmetic number, because the mean of its divisors is an integer number (5225220).

Almost surely, 2^42422553 is an apocalyptic number.

42422553 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42422553 is a deficient number, since it is larger than the sum of its proper divisors (20280087).

42422553 is a wasteful number, since it uses less digits than its factorization.

42422553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109668 (or 109665 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42422553 is about 6513.2597829351. The cubic root of 42422553 is about 348.7644954857.

Adding to 42422553 its reverse (35522424), we get a palindrome (77944977).

The spelling of 42422553 in words is "forty-two million, four hundred twenty-two thousand, five hundred fifty-three".