42244015 has 8 divisors (see below), whose sum is σ = 55301328. Its totient is φ = 30722880.

The previous prime is 42244009. The next prime is 42244057. The reversal of 42244015 is 51044224.

It is a happy number.

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

It is not a de Polignac number, because 42244015 - 2⁵ = 42243983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383982 + ... + 384091.

It is an arithmetic number, because the mean of its divisors is an integer number (6912666).

Almost surely, 2^42244015 is an apocalyptic number.

42244015 is a deficient number, since it is larger than the sum of its proper divisors (13057313).

42244015 is a wasteful number, since it uses less digits than its factorization.

42244015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768089.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 42244015 is about 6499.5395990793. The cubic root of 42244015 is about 348.2745416880.

Adding to 42244015 its reverse (51044224), we get a palindrome (93288239).

The spelling of 42244015 in words is "forty-two million, two hundred forty-four thousand, fifteen".