42242205 has 8 divisors (see below), whose sum is σ = 67587552. Its totient is φ = 22529168.

The previous prime is 42242173. The next prime is 42242251. The reversal of 42242205 is 50224224.

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

It is a cyclic number.

It is not a de Polignac number, because 42242205 - 2⁵ = 42242173 is a prime.

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, 1408059 + ... + 1408088.

It is an arithmetic number, because the mean of its divisors is an integer number (8448444).

Almost surely, 2^42242205 is an apocalyptic number.

It is an amenable number.

42242205 is a deficient number, since it is larger than the sum of its proper divisors (25345347).

42242205 is a wasteful number, since it uses less digits than its factorization.

42242205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816155.

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

The square root of 42242205 is about 6499.4003569560. The cubic root of 42242205 is about 348.2695675244.

Adding to 42242205 its reverse (50224224), we get a palindrome (92466429).

The spelling of 42242205 in words is "forty-two million, two hundred forty-two thousand, two hundred five".