42225111 has 8 divisors (see below), whose sum is σ = 62555760. Its totient is φ = 28150056.

The previous prime is 42225107. The next prime is 42225133. The reversal of 42225111 is 11152224.

42225111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42225111 - 2² = 42225107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42225101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781920 + ... + 781973.

It is an arithmetic number, because the mean of its divisors is an integer number (7819470).

Almost surely, 2^42225111 is an apocalyptic number.

42225111 is a deficient number, since it is larger than the sum of its proper divisors (20330649).

42225111 is a wasteful number, since it uses less digits than its factorization.

42225111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563902 (or 1563896 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 42225111 is about 6498.0851794971. The cubic root of 42225111 is about 348.2225835250. Note that the first 3 decimals are identical.

Adding to 42225111 its reverse (11152224), we get a palindrome (53377335).

The spelling of 42225111 in words is "forty-two million, two hundred twenty-five thousand, one hundred eleven".