42221232242 has 24 divisors (see below), whose sum is σ = 76389195456. Its totient is φ = 17142453144.

The previous prime is 42221232233. The next prime is 42221232247. The reversal of 42221232242 is 24223212224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42221232247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4171958 + ... + 4182065.

It is an arithmetic number, because the mean of its divisors is an integer number (3182883144).

Almost surely, 2^42221232242 is an apocalyptic number.

42221232242 is a deficient number, since it is larger than the sum of its proper divisors (34167963214).

42221232242 is a wasteful number, since it uses less digits than its factorization.

42221232242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354070 (or 8354051 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

Adding to 42221232242 its reverse (24223212224), we get a palindrome (66444444466).

It can be divided in two parts, 422212 and 32242, that added together give a palindrome (454454).

The spelling of 42221232242 in words is "forty-two billion, two hundred twenty-one million, two hundred thirty-two thousand, two hundred forty-two".