42242211 has 24 divisors (see below), whose sum is σ = 68118336. Its totient is φ = 25003440.

The previous prime is 42242173. The next prime is 42242251. The reversal of 42242211 is 11224224.

It is not a de Polignac number, because 42242211 - 2⁶ = 42242147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 705 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (2838264).

Almost surely, 2^42242211 is an apocalyptic number.

42242211 is a deficient number, since it is larger than the sum of its proper divisors (25876125).

42242211 is a wasteful number, since it uses less digits than its factorization.

42242211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983 (or 9980 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 42242211 is about 6499.4008185370. The cubic root of 42242211 is about 348.2695840136.

Adding to 42242211 its reverse (11224224), we get a palindrome (53466435).

The spelling of 42242211 in words is "forty-two million, two hundred forty-two thousand, two hundred eleven".