42244005 has 32 divisors (see below), whose sum is σ = 69221376. Its totient is φ = 21993984.

The previous prime is 42244003. The next prime is 42244009. The reversal of 42244005 is 50044224.

It is not a de Polignac number, because 42244005 - 2¹ = 42244003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189324 + ... + 189546.

It is an arithmetic number, because the mean of its divisors is an integer number (2163168).

Almost surely, 2^42244005 is an apocalyptic number.

It is an amenable number.

42244005 is a deficient number, since it is larger than the sum of its proper divisors (26977371).

42244005 is a wasteful number, since it uses less digits than its factorization.

42244005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42244005 is about 6499.5388297940. The cubic root of 42244005 is about 348.2745142068.

Adding to 42244005 its reverse (50044224), we get a palindrome (92288229).

The spelling of 42244005 in words is "forty-two million, two hundred forty-four thousand, five".