42241222 has 16 divisors (see below), whose sum is σ = 65812032. Its totient is φ = 20318760.

The previous prime is 42241211. The next prime is 42241229. The reversal of 42241222 is 22214224.

It is a self number, because there is not a number n which added to its sum of digits gives 42241222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42241229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2097 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (4113252).

Almost surely, 2^42241222 is an apocalyptic number.

42241222 is a deficient number, since it is larger than the sum of its proper divisors (23570810).

42241222 is a wasteful number, since it uses less digits than its factorization.

42241222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7443.

The product of its digits is 512, while the sum is 19.

The square root of 42241222 is about 6499.3247341551. The cubic root of 42241222 is about 348.2668660269.

Adding to 42241222 its reverse (22214224), we get a palindrome (64455446).

The spelling of 42241222 in words is "forty-two million, two hundred forty-one thousand, two hundred twenty-two".