42141222 has 40 divisors (see below), whose sum is σ = 96049800. Its totient is φ = 13805856.

The previous prime is 42141217. The next prime is 42141227. The reversal of 42141222 is 22214124.

It is an interprime number because it is at equal distance from previous prime (42141217) and next prime (42141227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42141195 and 42141204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42141227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7354 + ... + 11762.

It is an arithmetic number, because the mean of its divisors is an integer number (2401245).

Almost surely, 2^42141222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42141222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48024900).

42141222 is an abundant number, since it is smaller than the sum of its proper divisors (53908578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42141222 is a wasteful number, since it uses less digits than its factorization.

42141222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482 (or 4473 counting only the distinct ones).

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

The square root of 42141222 is about 6491.6270687710. The cubic root of 42141222 is about 347.9918250160.

Adding to 42141222 its reverse (22214124), we get a palindrome (64355346).

It can be divided in two parts, 4214122 and 2, that added together give a palindrome (4214124).

The spelling of 42141222 in words is "forty-two million, one hundred forty-one thousand, two hundred twenty-two".